alkyl
type: substructure
has parent: hydrocarbon_group
has child: cyclic_alkyl
has child: methylene
has child: tertiary_alkyl
has child: methyl
has child: methynele
has child: quaternary_alkyl

acetyl
type: substructure
has parent: acyl

N-methyl
type: substructure
has parent: N-alkyl

O-methyl
type: substructure
has parent: O-alkyl

S-methyl
type: substructure
has parent: S-alkyl

methyl
type: substructure
has parent: alkyl
has child: methyl_aliphatic_ring
has child: methyl_tertiary_carbon

alkyl_amine
type: substructure
has parent: amine
has child: aryl_aromatic_methanetriamine
has child: di-alkyl_amine
has child: secondary_alkyl_amine
has child: tertiary_alkyl_amine

primary_alcohol
type: substructure
has parent: alcohol
has child: primary_alkyl_alcohol

primary_mercapto
type: substructure
has parent: alkyl_thiol

methylene
type: substructure
has child: cyclic_methylene
has parent: alkyl

secondary_alcohol
type: substructure
has child: cyclic_secondary_alcohol
has parent: alcohol

secondary_mercapto
type: substructure
has parent: alkyl_thiol

tertiary_alcohol
type: substructure
has child: cyclic_tertiary_alcohol
has parent: alcohol

cyclic_secondary_alcohol
type: substructure
has parent: secondary_alcohol

cyclic_tertiary_alcohol
type: substructure
has parent: tertiary_alcohol

alkenyl
type: substructure
has parent: hydrocarbon_group
has child: branch_alkenyl
has child: conjugated_double_bond
has child: cyclic_alkenyl
has child: dehydro_methylene
has child: isolated_double_bond
has child: terminal_alkenyl

enol
type: substructure
has parent: hydroxy
has child: vicinal_dienol

imine
type: substructure
has child: alkenyl_imine
has parent: N-containing_group
has child: alkyl_imine
has child: aryl_imine
has child: cyclic_alkenyl_imine
has child: cyclic_imine
has child: quaternary_immonium
has child: secondary_imine
has child: tertiary_imine

enamine
type: substructure
has parent: N-alkenyl

alkenyl_mercapto
type: substructure
has parent: thiol

alkynyl
type: substructure
has parent: hydrocarbon_group

nitrile
type: substructure
has child: alkenyl_nitrile
has parent: N-containing_group

aldehyde
type: substructure
has parent: O-containing_group
has child: alkenyl_aldehyde
has child: alkyl_aldehyde
has child: alkynyl_aldehyde
has child: alpha-keto_aldehyde
has child: alpha_hydroxy_aldehyde

amide
type: substructure
has child: N-hydroxy_amide
has parent: N,O-containing_group
has child: N-oxycarbonyl
has child: amide_aminal
has child: aryl_aromatic_amide
has child: pseudourea
has child: lactam

ketone
type: substructure
has child: alkenyl_ketone
has parent: O-containing_group
has child: alkyl_ketone
has child: alpha-aryl_cyclic_ketone
has child: alpha-aryl_ketone
has child: alpha-keto_ketone
has child: alpha_hydroxy_ketone
has child: aryl_aromatic_ketone
has child: aryl_attached_ketone
has child: aryl_ketone
has child: cyclic_alpha-aryl_ketone
has child: cyclic_alpha-keto_ketone
has child: cyclic_ketone
has child: vicinal_diketone

carboxylate
type: substructure
has child: alkenyl_carboxylate
has parent: O-containing_group
has child: alkyl_carboxylate
has child: alkynyl_carboxylate
has child: alpha-keto_carboxylate
has child: alpha_hydroxy_carboxylate
has child: alpha_keto_carboxylate
has child: aryl_carboxylate
has child: beta-keto_carboxyl
has child: dicarboxylate

aniline
type: substructure
has parent: aryl_amine

aryl_mercapto
type: substructure
has parent: aryl_thiol

hydrazine
type: substructure
has child: aryl_aromatic_hydrazine
has parent: N-containing_group

hydroxylamine
type: substructure
has parent: hydroxy_amine

amino_phosphine
type: substructure
has parent: phosphine_amine

N-oxide
type: substructure
has parent: N,O-containing_group
has child: tertiary_amine_oxide
has child: tertiary_imine_oxide

oxime
type: substructure
has parent: N,O-containing_group

alcohol
type: substructure
has parent: hydroxy
has child: alpha_hydroxy_aryl
has child: secondary_alcohol
has child: tertiary_alcohol
has child: diol
has child: primary_alcohol

P-oxide
type: substructure
has parent: O,P-containing_group

phosphate
type: substructure
has child: alcohol_phosphate_ester
has parent: O,P-containing_group
has child: carboxylate_phosphate_ester
has child: cyclic_phosphate_ester
has child: diphosphate
has child: enol_phosphate
has child: phenol_phosphate_ester

mercapto
type: substructure
has parent: thiol

thiosulfide
type: substructure
has parent: persulfide

thiosulfate
type: substructure
has parent: O,S-containing_group

cyclonon-3-en-1-5-diyne
type: substructure
has parent: ring

piperidine
type: substructure
has parent: carbon_skeleton
has parent: ring

tetrahydropyran
type: substructure
has parent: ring

1,4-dioxepane
type: substructure
has parent: ring

tetrahydrofuran
type: substructure
has parent: ring

cyclohexane
type: substructure
has parent: carbon_skeleton
has parent: ring

heptamethyleneimine
type: substructure
has parent: ring

cycloheptane
type: substructure
has parent: carbon_skeleton
has parent: ring

hexamethyleneimine
type: substructure
has parent: ring

cyclooctane
type: substructure
has parent: carbon_skeleton
has parent: ring

cyclohexanone
type: substructure
has parent: ring

caprolactam
type: substructure
has parent: ring

caprolactone
type: substructure
has parent: ring

3,4,5,6-tetrahydro-2H-azepine
type: substructure
has parent: ring

cyclopentane
type: substructure
has parent: carbon_skeleton
has parent: ring

octahydro-indole
type: substructure
has parent: ring

octahydroindolizine
type: substructure
has parent: ring

cyclohexene
type: substructure
has parent: carbon_skeleton
has parent: ring

piperideine
type: substructure
has parent: ring

tetrahydrophthalimide
type: substructure
has parent: ring

cyclopentanone
type: substructure
has parent: carbon_skeleton
has parent: ring

1-2-cyclohexanedione
type: substructure
has parent: ring

gamma-valerolactone
type: substructure
has parent: ring

2,3,4,5-tetrahydro-1H-azepine
type: substructure
has parent: ring

pyrrolidine
type: substructure
has parent: ring

pyrrolidinium
type: substructure
has parent: ring

3,4,5,6-tetrahydropyridazine
type: substructure
has parent: ring

tetrahydro-3H-[1,3,4]thiadiazolo[3,4-a]pyridazin-1-one
type: substructure
has parent: ring

hydrindane
type: substructure
has parent: ring

cyclobutane
type: substructure
has parent: ring

tetrahydrothiophene
type: substructure
has parent: ring

piperidin-2-one
type: substructure
has parent: ring

thiane
type: substructure
has parent: ring

octahydro-1H-azonine
type: substructure
has parent: ring

proline_residue
type: substructure
has parent: ring

1,2,3,5,8,8a-hexahydroindolizine
type: substructure
has parent: ring

octahydro-1H-pyrrolo[3,4-b]pyridine
type: substructure
has parent: ring

pyrrolizidine
type: substructure
has parent: ring

hexahydro-1H-pyrrolo[1,2-a]piperazin-4-one
type: substructure
has parent: ring

2,3,5,7a-tetrahydro-1H-pyrrolizine
type: substructure
has parent: ring

hexahydropyrrolo[1,2-a]piperazine-1,4-dione
type: substructure
has parent: ring

octahydrofuro[3,2-b]pyridine
type: substructure
has parent: ring

octahydro-2-benzofuran
type: substructure
has parent: ring

hexahydro-3H-2-benzofuran-1-one
type: substructure
has parent: ring

1,2-epoxycyclohexane
type: substructure
has parent: ring

oxocan-2-one
type: substructure
has parent: ring

octahydrofuro[2,3-b]pyridine
type: substructure
has parent: ring

cyclohexenone
type: substructure
has parent: ring

1,3-cycloheptadiene
type: substructure
has parent: ring

1-pyrroline
type: substructure
has parent: ring

1,2,3,4-tetrahydropyridine
type: substructure
has parent: ring

cyclopentene
type: substructure
has parent: carbon_skeleton
has parent: ring

4H,6H,7H,8H-pyrrolo[1,2-a]pyrimidine
type: substructure
has parent: ring

cyclohexane-1-3-dione
type: substructure
has parent: ring

glutarimide
type: substructure
has parent: ring

pyrrolidone
type: substructure
has parent: ring

gamma-butyrolactone
type: substructure
has parent: ring

indan
type: substructure
has parent: carbon_skeleton
has parent: ring

1,3-diazinan-2-one
type: substructure
has parent: ring

1,3,2-oxazaphosphinane
type: substructure
has parent: ring

hexahydro-1H-1,4-diazepine
type: substructure
has parent: ring

1,4,5,6-tetrahydropyrimidine
type: substructure
has parent: ring

1,3-dithiane
type: substructure
has parent: ring

cyclopropane
type: substructure
has parent: cyclic_alkyl
has parent: carbon_skeleton
has parent: ring

hexahydro-1H-cyclopenta[c]pyran-3-one
type: substructure
has parent: ring

1H,4aH,5H,6H,7H,7aH-cyclopenta[c]pyran
type: substructure
has parent: ring

4aH,5H,6H,7H,7aH-cyclopenta[c]pyran-1-one
type: substructure
has parent: ring

octahydroinden-1-one
type: substructure
has parent: ring

bicyclo[3.3.0]octane
type: substructure
has parent: ring

bicyclo[4.1.0]heptane
type: substructure
has parent: ring

cycloheptene
type: substructure
has parent: ring

4,5,6,7-tetrahydro-2H-isoindole
type: substructure
has parent: ring

6-oxabicyclo[3.1.0]hexane
type: substructure
has parent: ring

tetracycloheptadec-7-ene
type: substructure
has parent: ring

piperidin-3-one
type: substructure
has parent: ring

dithiolane
type: substructure
has parent: ring

tetracycloheptadecane_ring
type: substructure
has parent: ring

2,3,3a,4,5,7a-hexahydro-1H-indene
type: substructure
has parent: ring

2,3,3a,4,7,7a-hexahydro-1H-indene
type: substructure
has parent: ring

octahydroinden-5-one
type: substructure
has parent: ring

octahydroinden-4-one
type: substructure
has parent: ring

octahydrocyclopenta[b]pyran
type: substructure
has parent: ring

1,3-diazinane
type: substructure
has parent: ring

cycloheptanone
type: substructure
has parent: ring

2,3,4,7-tetrahydro-1H-azepine
type: substructure
has parent: ring

cyclononane
type: substructure
has parent: ring

octahydroinden-2-one
type: substructure
has parent: ring

1,4,5,6,7,7a-hexahydroinden-2-one
type: substructure
has parent: ring

hexahydrocyclopenta[c]furan-1-one
type: substructure
has parent: ring

3a,4,5,6,7,7a-hexahydro-1-benzofuran
type: substructure
has parent: ring

4,5,6,7a-tetrahydro-3aH-1-benzofuran-7-one
type: substructure
has parent: ring

1,2-dioxepane
type: substructure
has parent: ring

oxepane
type: substructure
has parent: ring

delta-valerolactam
type: substructure
has parent: ring

delta-valerolactone
type: substructure
has parent: ring

3a,4,5,6,7,7a-hexahydro-1H-indene
type: substructure
has parent: ring

cyclononene
type: substructure
has parent: ring

octahydro-1-benzofuran
type: substructure
has parent: ring

2,3,4,5,8,9-hexahydro-1H-azonine
type: substructure
has parent: ring

2,3,4,7,8,9-hexahydro-1H-azonine
type: substructure
has parent: ring

azetidine
type: substructure
has parent: ring

dihydropyran
type: substructure
has parent: ring

1,3,4,5-tetrahydroazepin-2-one
type: substructure
has parent: ring

cyclooctene
type: substructure
has parent: ring

2,3,4,8-tetrahydro-1H-azocin-5-one
type: substructure
has parent: ring

octahydro-1H-cyclopenta[b]pyridine
type: substructure
has parent: ring

oxocane
type: substructure
has parent: ring

bicyclo[3.1.0]hexane
type: substructure
has parent: ring

hexahydro-3H-1-benzofuran-2-one
type: substructure
has parent: ring

hexahydro-2H-indene-1,5-dione
type: substructure
has parent: ring

hexahydro-2H-indene-1,6-dione
type: substructure
has parent: ring

bicyclo[4.1.0]hept-2-ene
type: substructure
has parent: ring

2,3,3a,6,7,7a-hexahydro-1H-indole
type: substructure
has parent: ring

2,3,3a,6,7,7a-hexahydroinden-1-one
type: substructure
has parent: ring

2H,3H,3aH,6aH-furo[2,3-b]furan
type: substructure
has parent: ring

3a,4,5,6,7,7a-hexahydro-1H-indole
type: substructure
has parent: ring

octahydrofuro[3,2-c]pyridine
type: substructure
has parent: ring

3,9-dioxabicyclo[6.1.0]nonane
type: substructure
has parent: ring

2,6,7,7a-tetrahydro-1H-indene
type: substructure
has parent: ring

1,2,3,6,7,7a-hexahydroinden-5-one
type: substructure
has parent: ring

1H,2H,3H,3aH,6H,6aH-pyrrolo[2,3-b]pyrrole
type: substructure
has parent: ring

7-oxabicyclo[4.1.0]heptan-2-one
type: substructure
has parent: ring

3,4-dihydro-2H-thiopyran
type: substructure
has parent: ring

gamma-thiobutyrolactone
type: substructure
has parent: ring

1,5,6,7-tetrahydroazepin-2-one
type: substructure
has parent: ring

1,2,3,4,7,8-hexahydroazocine
type: substructure
has parent: ring

1,2-dioxane
type: substructure
has parent: ring

1,2-oxazinane
type: substructure
has parent: ring

octahydrocyclopenta[b]pyrrole
type: substructure
has parent: ring

3,6,7,7a-tetrahydro-1H-2-benzofuran-5-one
type: substructure
has parent: ring

1H,3aH,4H,5H,6H,7H,7aH-pyrrolo[2,3-c]pyridine
type: substructure
has parent: ring

3-cyclohexen-1-one
type: substructure
has parent: ring

1,3-cyclohexadiene
type: substructure
has parent: carbon_skeleton
has parent: ring

5,6-dihydro-1H-pyridin-2-one
type: substructure
has parent: ring

3-piperideine
type: substructure
has parent: ring

3,4-dihydro-1H-pyridin-2-one
type: substructure
has parent: ring

azoline
type: substructure
has parent: ring

cyclopentenone
type: substructure
has parent: carbon_skeleton
has parent: ring

5,6-dihydropyran-2-one
type: substructure
has parent: ring

2,3,5,6,7,7a-hexahydro-1H-indole
type: substructure
has parent: ring

1-4-cyclohexanedione
type: substructure
has parent: ring

piperidin-4-one
type: substructure
has parent: ring

pyrrolidin-3-one
type: substructure
has parent: ring

oxane-2,4-dione
type: substructure
has parent: ring

cyclohex-2-ene-1,4-dione
type: substructure
has parent: ring

5H,6H-cyclopenta[c]pyran-1,7-dione
type: substructure
has parent: ring

succinimide
type: substructure
has parent: ring

dihydrouracil
type: substructure
has parent: ring

1,3,2-oxazaphosphinan-4-one
type: substructure
has parent: ring

2-azetidinone
type: substructure
has parent: ring

3,4-dihydropyran-2-one
type: substructure
has parent: ring

2,3,6,7-tetrahydro-1H-azepine
type: substructure
has parent: ring

3,5,6,8a-tetrahydroindolizine
type: substructure
has parent: ring

2,3-dihydropyridine
type: substructure
has parent: ring

cyclohepta-1,4-diene
type: substructure
has parent: ring

pyridine
type: substructure
has parent: ring

4,5-dihydro-1H-azepine
type: substructure
has parent: ring

2,3-dihydro-1H-indolizin-4-ylium
type: substructure
has parent: ring

2,3-dihydro-1H-indolizin-5-one
type: substructure
has parent: ring

1H,2H,3H,7H,7aH-cyclopenta[b]pyridine
type: substructure
has parent: ring

3,6-dihydro-2H-pyran
type: substructure
has parent: ring

pyrroline
type: substructure
has parent: ring

tetrahydroisoquinoline
type: substructure
has parent: ring

indoline
type: substructure
has parent: ring

1H,4H,5H,6H,7H-pyrrolo[2,3-c]pyridine
type: substructure
has parent: ring

1H,4H,5H-pyrrolo[2,3-c]pyridine
type: substructure
has parent: ring

tryptoline
type: substructure
has parent: ring

aziridine
type: substructure
has parent: ring

1,4-diazinane
type: substructure
has parent: ring

1,4-oxazinane
type: substructure
has parent: ring

thiomorpholine
type: substructure
has parent: ring

imidazoline
type: substructure
has parent: ring

imidazolidin-2-imine
type: substructure
has parent: ring

imidazolidine
type: substructure
has parent: ring

imidazolidinone
type: substructure
has parent: ring

2-oxazolidinone
type: substructure
has parent: ring

1,2,3,4-tetrahydropyrazine
type: substructure
has parent: ring

1,4-oxazepane
type: substructure
has parent: ring

piperazine-2,3-dione
type: substructure
has parent: ring

oxazolidine
type: substructure
has parent: ring

thiazolidine
type: substructure
has parent: ring

2H,3H,5H,6H-imidazo[2,1-b][1,3]thiazole
type: substructure
has parent: ring

hexahydro-2H-[1,3]oxazolo[3,2-a]pyridine
type: substructure
has parent: ring

2,3-dihydropyrazine
type: substructure
has parent: ring

3,6-dihydro-2H-1,4-thiazine
type: substructure
has parent: ring

oxazoline
type: substructure
has parent: ring

3,4-dihydro-2H-1,4-thiazine
type: substructure
has parent: ring

epoxide
type: substructure
has child: alkyl_epoxide
has parent: O-containing_group
has parent: ring

1,4-dioxane
type: substructure
has parent: ring

dioxolane
type: substructure
has parent: ring

2,3-dihydro-1,4-oxathiine
type: substructure
has parent: ring

thiiran
type: substructure
has parent: ring

1-3-dithiolane
type: substructure
has parent: ring

1,4-dithiane
type: substructure
has parent: ring

2,3-dihydro-1,4-dithiine
type: substructure
has parent: ring

cycloocta-1,3-diene
type: substructure
has parent: ring

oxan-3-one
type: substructure
has parent: ring

1,3-dioxocane
type: substructure
has parent: ring

1,3-dioxepane
type: substructure
has parent: ring

hexahydro-2H-1,3-benzodioxole
type: substructure
has parent: ring

bicyclo[5.1.0]octan-3-one
type: substructure
has parent: ring

3,4-dihydro-2H-oxazine
type: substructure
has parent: ring

oxan-4-one
type: substructure
has parent: ring

2-3-dihydrofuran
type: substructure
has parent: ring

2,3-dihydrobenzofuran
type: substructure
has parent: ring

cyclooct-2-en-1-one
type: substructure
has parent: ring

methylenecyclopropene
type: substructure
has parent: ring

1,3,4,7,8,9-hexahydro-1,4-diazonin-2-one
type: substructure
has parent: ring

piperazin-2-one
type: substructure
has parent: ring

4-oxa-1-azabicyclo[3.2.0]heptan-7-one
type: substructure
has parent: ring

2,3-dihydro-1,4-dioxin
type: substructure
has parent: ring

1-3-2-dioxaphospholane
type: substructure
has parent: ring

1,2,3,6-tetrahydropyrazine
type: substructure
has parent: ring

1-2-oxazolidin-3-one
type: substructure
has parent: ring

hexahydrocyclopenta[b]furan-2-one
type: substructure
has parent: ring

1,4-dioxonan-2-one
type: substructure
has parent: ring

oxepan-4-one
type: substructure
has parent: ring

2H,3H-furo[2,3-b]pyridine
type: substructure
has parent: ring

1,2,3,4,7,8-hexahydro-1,5-diazocine
type: substructure
has parent: ring

1,5-diazocane
type: substructure
has parent: ring

7-oxa-3-azabicyclo[4.1.0]heptane
type: substructure
has parent: ring

1,3-dioxepan-4-one
type: substructure
has parent: ring

4,5,6,7-tetrahydro-1H-indole
type: substructure
has parent: ring

1H,3aH,4H,5H,6H,6aH-cyclopenta[b]pyrrole
type: substructure
has parent: ring

1,3-oxazinane
type: substructure
has parent: ring

3,5-dihydro-2H-pyridin-4-one
type: substructure
has parent: ring

1,3-dioxane
type: substructure
has parent: ring

hexahydro-2H-cyclopenta[b]furan
type: substructure
has parent: ring

hexahydrocyclopenta[d][1,3]dioxole
type: substructure
has parent: ring

cyclopentane-1-2-dione
type: substructure
has parent: ring

1,2,5,6-tetrahydropyrimidine
type: substructure
has parent: ring

3aH,4H,5H,6H,7H-pyrrolo[2,3-c]pyridine
type: substructure
has parent: ring

2,3-dihydro-1H-pyridin-4-one
type: substructure
has parent: ring

thiazoline
type: substructure
has parent: ring

oxetane
type: substructure
has parent: ring

1,3-oxazinan-2-one
type: substructure
has parent: ring

1,3,2-dioxathiepane
type: substructure
has parent: ring

2-oxo-oxepane
type: substructure
has parent: ring

3-oxabicyclo[3.2.0]heptane
type: substructure
has parent: ring

3aH,4H,5H,6H,7aH-furo[2,3-b]pyran
type: substructure
has parent: ring

oxepane-2,5-dione
type: substructure
has parent: ring

ethylene_carbonate
type: substructure
has parent: ring

1,2-dithiepan-5-one
type: substructure
has parent: ring

cyclohept-2-en-1-one
type: substructure
has parent: ring

3a,4,5,6-tetrahydro-1H-indole
type: substructure
has parent: ring

1,3,3a,6,7,7a-hexahydro-2-benzofuran
type: substructure
has parent: ring

1H,4H,5H,6H,7H-imidazo[4,5-c]pyridine
type: substructure
has parent: ring

2,3-dihydro-1H-indole-5,6-dione
type: substructure
has parent: ring

pyrrolidinylium
type: substructure
has parent: ring

2,3-dihydropyran-4-one
type: substructure
has parent: ring

1,3-oxazinane-2,4-dione
type: substructure
has parent: ring

2-3-dihydro-1-benzopyran-4-one
type: substructure
has parent: ring

1,4-thiazepan-5-one
type: substructure
has parent: ring

3,4-dihydro-2H-1,2-thiazine
type: substructure
has parent: ring

1,2,3-trithiane
type: substructure
has parent: ring

1,4,5,6,7,7a-hexahydro-2-benzofuran
type: substructure
has parent: ring

thiolane
type: substructure
has parent: ring

4,5-dihydrooxepine
type: substructure
has parent: ring

2-oxabicyclo[4.1.0]heptane
type: substructure
has parent: ring

1,5-cyclooctadiene
type: substructure
has parent: ring

1-3-oxathiolane
type: substructure
has parent: ring

hexahydrofuro[3,2-d][1,3,2]dioxaphosphinine
type: substructure
has parent: ring

2-deoxy-furanose
type: substructure
has parent: ring

1,2-dithiane
type: substructure
has parent: ring

3a,6,7,7a-tetrahydro-1-benzofuran
type: substructure
has parent: ring

7-oxabicyclo[4.2.0]octane
type: substructure
has parent: ring

2,6,7,7a-tetrahydro-1H-indole
type: substructure
has parent: ring

6,7-dihydro-1H-1,3-diazepine
type: substructure
has parent: ring

1,3,3a,6,7,7a-hexahydroindol-2-one
type: substructure
has parent: ring

oxane-3,4-dione
type: substructure
has parent: ring

1,3,2-dioxaphosphinane
type: substructure
has parent: ring

6,7,8,8a-tetrahydro-1H-indolizin-5-one
type: substructure
has parent: ring

2,3,4,7-tetrahydrooxepine
type: substructure
has parent: ring

2,3,4,5,6,9-hexahydrooxonine
type: substructure
has parent: ring

1,4-diazepan-2-one
type: substructure
has parent: ring

hexahydro-[1,3]dioxolo[4,5-c]pyran
type: substructure
has parent: ring

3-4-dihydropyrrol-2-one
type: substructure
has parent: ring

dihydropyrazole
type: substructure
has parent: ring

carbapenem
type: substructure
has parent: ring

3a,4,7,7a-tetrahydro-3H-2-benzofuran-1-one
type: substructure
has parent: ring

bicyclo[3.1.0]hexan-3-one
type: substructure
has parent: ring

1,3a,4,6,7,7a-hexahydroinden-5-one
type: substructure
has parent: ring

hexahydrofuro[3,4-c]furan
type: substructure
has parent: ring

3-azabicyclo[3.1.0]hexane
type: substructure
has parent: ring

bicyclo(4.1.0)hept-3-ene
type: substructure
has parent: ring

hexahydro-1H-2-benzofuran-5-one
type: substructure
has parent: ring

bicyclo[3.1.0]hex-3-en-2-one
type: substructure
has parent: ring

3H,3aH,4H,6aH-cyclopenta[b]furan-2-one
type: substructure
has parent: ring

1H,4aH,5H,7aH-cyclopenta[c]pyran
type: substructure
has parent: ring

3aH,4H,7aH-furo[3,2-c]pyran
type: substructure
has parent: ring

hexahydrothieno[3,4-d]imidazolidin-2-one
type: substructure
has parent: ring

3H,3aH,5H,7aH-furo[3,2-b]pyran-2-one
type: substructure
has parent: ring

hexahydrofuro[3,2-c]pyran-6-one
type: substructure
has parent: ring

2,8-dioxatricyclo[4.3.0.0]nonan-9-one
type: substructure
has parent: ring

7,7a-dihydro-3aH-1-benzofuran-6-one
type: substructure
has parent: ring

penam
type: substructure
has parent: ring

hexahydro-1H-pyrano[3,4-b]pyrrol-5-one
type: substructure
has parent: ring

3-azabicyclo[3.1.0]hexane-2,4-dione
type: substructure
has parent: ring

oxolane-2-3-dione
type: substructure
has parent: ring

1,3-diazinan-4-one
type: substructure
has parent: ring

7-oxabicyclo[4.1.0]hept-2-ene
type: substructure
has parent: ring

4,5-dihydro-1,2-benzoxazole
type: substructure
has parent: ring

4,5-dihydro-3H-pyridin-2-one
type: substructure
has parent: ring

6,7-dihydro-5H-oxepin-2-one
type: substructure
has parent: ring

7-oxabicyclo[4.1.0]hept-3-en-2-one
type: substructure
has parent: ring

hexahydrofuro[3,4-c]pyran-6-one
type: substructure
has parent: ring

bicyclo[3.1.0]hex-2-ene
type: substructure
has parent: ring

3-oxabicyclo[3.1.0]hexan-2-one
type: substructure
has parent: ring

6,7-dihydro-3H-oxepin-2-one
type: substructure
has parent: ring

7-oxabicyclo[4.1.0]heptane
type: substructure
has parent: ring

oxetan-2-one
type: substructure
has parent: ring

1,4-cyclohexadiene
type: substructure
has parent: ring

2,5-dihydropyridine
type: substructure
has parent: ring

3,6-dihydro-1H-pyridin-2-one
type: substructure
has parent: ring

cyclopentadiene
type: substructure
has parent: ring

indene
type: substructure
has parent: carbon_skeleton
has parent: ring

dihydropyridine
type: substructure
has parent: ring

3-pyrroline
type: substructure
has parent: ring

2-(3H)-furanone
type: substructure
has parent: ring

2-5-dihydro-pyrrol-1-one
type: substructure
has parent: ring

3,6-dihydropyran-2-one
type: substructure
has parent: ring

cyclopent-3-en-1-one
type: substructure
has parent: ring

3,6-dihydro-2H-1,3-thiazine
type: substructure
has parent: ring

5-thia-1-azabicyclo[4.2.0]oct-2-en-8-one
type: substructure
has parent: ring

2-5-dihydro-1-3-thiazole
type: substructure
has parent: ring

1-5-dihydropyrrol-2-one
type: substructure
has parent: ring

2-4-dihydropyrazol-3-one
type: substructure
has parent: ring

2-(5H)-furanone
type: substructure
has parent: ring

cyclopropene
type: substructure
has parent: ring

3,6-dihydro-2H-1,3-oxazine
type: substructure
has parent: ring

1,2-dihydropyrazine
type: substructure
has parent: ring

cyclohexa-2,5-dien-1-one
type: substructure
has parent: carbon_skeleton
has parent: ring

2-3-3a-4-7-7a-hexahydro-1-benzofuran
type: substructure
has parent: ring

3,3a,4,7a-tetrahydro-2H-1-benzofuran-7-one
type: substructure
has parent: ring

3-oxetanone
type: substructure
has parent: ring

3,4-dihydro-1,3-diazepin-5-one
type: substructure
has parent: ring

5H-cyclopenta[b]pyrrol-4-one
type: substructure
has parent: ring

2,5-piperazinedione
type: substructure
has parent: ring

imidazolidin-4-one
type: substructure
has parent: ring

1-3-thiazolidin-4-one
type: substructure
has parent: ring

glycolylurea
type: substructure
has parent: ring

1,3-diazinane-2,4,6-trione
type: substructure
has parent: ring

1-3-dihydropyrrol-2-one
type: substructure
has parent: ring

1,3-dihydro-1,4-diazepin-2-one
type: substructure
has parent: ring

oxindole
type: substructure
has parent: ring

2,4-dihydro-1,4-oxazin-3-one
type: substructure
has parent: ring

imidazol-4-one
type: substructure
has parent: ring

5H-1-3-thiazol-4-one
type: substructure
has parent: ring

1-3-dioxolan-4-one
type: substructure
has parent: ring

2-5-dihydrofuran
type: substructure
has parent: ring

2,5-dihydrooxepine
type: substructure
has parent: ring

2H-pyrrole
type: substructure
has parent: ring

1,2-dihydropyridine
type: substructure
has parent: ring

1,6-dihydropyrimidine
type: substructure
has parent: ring

4H-pyran
type: substructure
has parent: ring

2H-pyran
type: substructure
has parent: ring

3H-indolizin-5-one
type: substructure
has parent: ring

phthalan
type: substructure
has parent: ring

phthalide
type: substructure
has parent: ring

5H,6H,7H-pyrrolo[3,4-b]pyridine
type: substructure
has parent: ring

2,3-dihydro-1H-isoindol-1-one
type: substructure
has parent: ring

1,2-dihydropyrimidine
type: substructure
has parent: ring

1,3-diazinane-4,6-dione
type: substructure
has parent: ring

3,4-dihydro-2H-1,2,4-thiadiazine
type: substructure
has parent: ring

1,3,5-thiadiazinane
type: substructure
has parent: ring

5H-tetrazole
type: substructure
has parent: ring

1,3,5-thiadiazinan-4-one
type: substructure
has parent: ring

2H-1-3-dioxole
type: substructure
has parent: ring

benzodioxole
type: substructure
has parent: ring

7-oxabicyclo[4.1.0]hept-3-ene
type: substructure
has parent: ring

3,3a-dihydro-2H-1-benzofuran-6-one
type: substructure
has parent: ring

dihydrofuran-3-one
type: substructure
has parent: ring

2,6-dihydropyran-3-one
type: substructure
has parent: ring

1-3-thiazetidine
type: substructure
has parent: ring

paraformaldehyde
type: substructure
has parent: ring

corrine
type: substructure
has parent: ring

1,3-diazepan-2-one
type: substructure
has parent: ring

oxane-2,3-dione
type: substructure
has parent: ring

tetrahydro-2H-furo[3,4-d][1,3,2]dioxaphosphole
type: substructure
has parent: ring

3H-pyrrole
type: substructure
has parent: ring

pyrrolidine-2-4-dione
type: substructure
has parent: ring

2-4-thiazolidinedione
type: substructure
has parent: ring

tetrahydro-2H-[1,3]oxazolo[3,2-a]piperazine-3,6-dione
type: substructure
has parent: ring

pyrazolidine-3-5-dione
type: substructure
has parent: ring

2,3-dihydro-1H-pyrimidin-4-one
type: substructure
has parent: ring

4-thia-1-azabicyclo[3.2.0]hept-2-en-7-one
type: substructure
has parent: ring

oxolane-2-3-4-trione
type: substructure
has parent: ring

1-3-oxazolidin-5-one
type: substructure
has parent: ring

3a,4,5,7a-tetrahydro-1H-indene
type: substructure
has parent: ring

2,3,6,7-tetrahydrooxepine
type: substructure
has parent: ring

3,6-dioxabicyclo[3.1.0]hexan-2-one
type: substructure
has parent: ring

cyclobutanone
type: substructure
has parent: ring

3,3a,6,7a-tetrahydro-2H-1-benzofuran-7-one
type: substructure
has parent: ring

4,7-dihydro-3H-1,2-dioxepine
type: substructure
has parent: ring

1,7-dihydroazepin-2-one
type: substructure
has parent: ring

2,3,6,7-tetrahydro-1,3,6-oxadiazepine
type: substructure
has parent: ring

tetrahydro-3H-furo[3,2-b]furan-2-one
type: substructure
has parent: ring

1H,3H,3aH,4H,6aH-cyclopenta[c]furan
type: substructure
has parent: ring

3,7-dioxabicyclo[4.1.0]heptan-4-one
type: substructure
has parent: ring

3,7-dioxatricyclo[4.1.0.0]heptane
type: substructure
has parent: ring

3a,4,7,7a-tetrahydro-1-benzofuran
type: substructure
has parent: ring

4,7a-dihydro-3aH-1-benzofuran-7-one
type: substructure
has parent: ring

cyclohept-3-en-1-one
type: substructure
has parent: ring

cyclohex-4-ene-1,3-dione
type: substructure
has parent: ring

2-3-dihydro-1-3-thiazole
type: substructure
has parent: ring

succinic_anhydride
type: substructure
has parent: ring

2-oxabicyclo[3.2.0]hept-3-ene
type: substructure
has parent: ring

cyclooctanone
type: substructure
has parent: ring

2,6-dihydrooxocin-3-one
type: substructure
has parent: ring

1H,6H,7H,7aH-furo[3,4-c]pyran-3-one
type: substructure
has parent: ring

2H,3H,3aH,4H,7aH-furo[2,3-b]pyran
type: substructure
has parent: ring

1-3-dithietane
type: substructure
has parent: ring

3,7-dioxabicyclo[4.1.0]heptan-2-one
type: substructure
has parent: ring

4-cyclopentene-1-3-dione
type: substructure
has parent: ring

5H-1-3-oxazol-4-one
type: substructure
has parent: ring

1,4-dihydropyrimidine
type: substructure
has parent: ring

3,4-dihydropyridine
type: substructure
has parent: ring

hexahydro-2H-1,3,2-benzodioxaphosphole
type: substructure
has parent: ring

2-sulfanyl-1-2-dihydronaphthalen-1-ol
type: substructure
has parent: carbon_skeleton
has parent: ring

3,6-dioxabicyclo[3.1.0]hexane
type: substructure
has parent: ring

4,7-dihydro-3H-oxepin-2-one
type: substructure
has parent: ring

3,8-dioxatricyclo[5.1.0.0]octane
type: substructure
has parent: ring

tetrahydro-3H-furo[2,3-b]furan-2-one
type: substructure
has parent: ring

bicyclo[3.2.0]heptane
type: substructure
has parent: ring

3H-pyridin-4-one
type: substructure
has parent: ring

1H,4aH,7H,7aH-cyclopenta[c]pyran
type: substructure
has parent: ring

1,6a-dihydropentalene
type: substructure
has parent: ring

1H,6H,7H,7aH-cyclopenta[c]pyran
type: substructure
has parent: ring

1,2,4-trioxane
type: substructure
has parent: ring

arene_oxide
type: substructure
has parent: ring

7-oxabicyclo[4.1.0]hepta-2,4-diene
type: substructure
has parent: ring

3aH,6aH-furo[2,3-b]furan
type: substructure
has parent: ring

3a,7a-dihydro-1-benzofuran
type: substructure
has parent: ring

3-oxabicyclo[4.2.0]oct-4-en-2-one
type: substructure
has parent: ring

cyclohexa-2,4-dien-1-one
type: substructure
has parent: carbon_skeleton
has parent: ring

1,2-dihydro-1,3,5-triazine
type: substructure
has parent: ring

oxazolidinedione
type: substructure
has parent: ring

3,6-dihydro-1,2-dioxine
type: substructure
has parent: ring

2H-furan-3-one
type: substructure
has parent: ring

2-5-dihydrothiophene
type: substructure
has parent: ring

2,3-dihydrofuran
type: substructure
has parent: ring

1,2,4-dithiazinan-5-one
type: substructure
has parent: ring

1-3-oxazolidin-4-one
type: substructure
has parent: ring

1-2-dithiolan-3-one
type: substructure
has parent: ring

3(2H)-benzofuranone
type: substructure
has parent: ring

3aH,7aH-furo[3,2-b]pyran-7-one
type: substructure
has parent: ring

4,6(1H,5H)-pyrimidinedione
type: substructure
has parent: ring

3,6-dihydro-1,3-oxazin-2-one
type: substructure
has parent: ring

2-5-dihydro-1H-imidazole
type: substructure
has parent: ring

3H-indole
type: substructure
has parent: ring

1-2-dihydropyrrol-3-one
type: substructure
has parent: ring

2,4-dihydro-1H-pyridin-3-one
type: substructure
has parent: ring

bicyclo[3.2.0]heptan-2-one
type: substructure
has parent: ring

1-5-dihydroimidazol-2-one
type: substructure
has parent: ring

5H-1-2-oxathiole
type: substructure
has parent: ring

4(3H)-pyrimidone
type: substructure
has parent: ring

3,5-dihydropyrimidine-2,4-dione
type: substructure
has parent: ring

tropone
type: substructure
has parent: ring

o-quinone
type: substructure
has parent: ring

pyrrole
type: substructure
has parent: ring

1,2-dithiine
type: substructure
has parent: ring

quinone
type: substructure
has parent: ring

maleimide
type: substructure
has parent: ring

azepine
type: substructure
has parent: ring

imidazole
type: substructure
has parent: ring

1,3-dihydropyridine-2,6-dione
type: substructure
has parent: ring

4,5-dihydropyrimidine
type: substructure
has parent: ring

4H-1-3-oxazol-5-one
type: substructure
has parent: ring

maleic_anhydride
type: substructure
has parent: ring

cyclopenta-2-4-dien-1-one
type: substructure
has parent: ring

1H-pyrrole-2-3-dione
type: substructure
has parent: ring

cyclopent-3-ene-1-2-dione
type: substructure
has parent: ring

imidazolidinetrione
type: substructure
has parent: ring

pyrrol-3-one
type: substructure
has parent: ring

isothiazolinone
type: substructure
has parent: ring

juglone
type: substructure
has parent: ring

naphthoquinone
type: substructure
has parent: ring

phthalimide
type: substructure
has parent: ring

2,3-dihydro-1,2-benzothiazol-3-one
type: substructure
has parent: ring

benzene
type: substructure
has parent: carbon_skeleton
has parent: ring

N-naphthyl
type: substructure
has parent: carbon_skeleton
has parent: ring

indole
type: substructure
has parent: ring

benzofuran
type: substructure
has parent: ring

isocoumarin
type: substructure
has parent: ring

4H-1-4-benzothiazine
type: substructure
has parent: ring

benzimidazole
type: substructure
has parent: ring

furo[2,3-b]pyridine
type: substructure
has parent: ring

benzothiazole
type: substructure
has parent: ring

furan
type: substructure
has parent: ring

thiophene
type: substructure
has parent: ring

2(1H)-pyridinone
type: substructure
has parent: ring

pyridazine
type: substructure
has parent: ring

pyrazole
type: substructure
has parent: ring

pyrimidine
type: substructure
has parent: ring

pyrylium
type: substructure
has parent: ring

cytosine
type: substructure
has parent: ring

4-pyridone
type: substructure
has parent: ring

pyran-4-one
type: substructure
has parent: ring

uracil
type: substructure
has parent: ring

6-azaindole
type: substructure
has parent: ring

1,4-dihydropyrazine
type: substructure
has parent: ring

1-2-3-triazole
type: substructure
has parent: ring

thiazole
type: substructure
has parent: ring

1-2-dihydropyrazol-3-one
type: substructure
has parent: ring

isoxazole
type: substructure
has parent: ring

2H-1-2-oxazol-3-one
type: substructure
has parent: ring

pyrimidone
type: substructure
has parent: ring

3H,7H-pyrrolo[2,3-d]pyrimidin-4-one
type: substructure
has parent: ring

4-pyrimidone
type: substructure
has parent: ring

oxazole
type: substructure
has parent: ring

2H-pyridazin-3-one
type: substructure
has parent: ring

furo[3,2-c]pyran-4-one
type: substructure
has parent: ring

7H-imidazo[1,2-a]pyrazin-3-one
type: substructure
has parent: ring

4H-1-benzopyran-4-one
type: substructure
has parent: ring

benzene_ring
type: substructure
has parent: carbon_skeleton
has parent: ring

3-5-7-trihydroxy-chromen-1-ylium
type: substructure
has parent: ring

dihydroxychromone
type: substructure
has parent: ring

purine
type: substructure
has parent: ring

1-2-4-triazole
type: substructure
has parent: ring

1,9-dihydro-6H-purin-6-one
type: substructure
has parent: ring

Xan
type: substructure
has parent: ring

2H-1,2,4-thiadiazine
type: substructure
has parent: ring

tetrazole
type: substructure
has parent: ring

1H-1,3,5-triazin-2-one
type: substructure
has parent: ring

2-4-dihydro-1-2-4-triazol-3-one
type: substructure
has parent: ring

1,6-dihydro-1,2,4-triazine
type: substructure
has parent: ring

isothiazole
type: substructure
has parent: ring

4H-1,2,4-triazin-5-one
type: substructure
has parent: ring

1,3,5-triazine
type: substructure
has parent: ring

1-3-4-thiadiazolidine
type: substructure
has parent: ring

4-imidazolone
type: substructure
has parent: ring

1-2-4-oxadiazole
type: substructure
has parent: ring

thiopyran
type: substructure
has parent: ring

1-2-4-thiadiazole
type: substructure
has parent: ring

2-3-dihydro-1-3-4-oxadiazole
type: substructure
has parent: ring

1-2-5-thiadiazole
type: substructure
has parent: ring

2H-1,2-thiazine
type: substructure
has parent: ring

1H-pyridazin-4-one
type: substructure
has parent: ring

5-azauracil
type: substructure
has parent: ring

thiopyran-4-one
type: substructure
has parent: ring

3H-1,2,3-triazin-4-one
type: substructure
has parent: ring

2,6-dihydro-1,2,6-thiadiazin-3-one
type: substructure
has parent: ring

1,3-oxazin-6-one
type: substructure
has parent: ring

4H-1-4-thiazine
type: substructure
has parent: ring

1,4-dihydropyrazine-2,3-dione
type: substructure
has parent: ring

4-imidazolin-2-one
type: substructure
has parent: ring

4H-1,4-thiazine
type: substructure
has parent: ring

2H-oxazine
type: substructure
has parent: ring

1,4-dioxin
type: substructure
has parent: ring

4H-oxazine
type: substructure
has parent: ring

furazan
type: substructure
has parent: ring

1-2-oxathiol-5-one
type: substructure
has parent: ring

1-3-4-thiadiazolidin-2-one
type: substructure
has parent: ring

1-3-dithiol-2-one
type: substructure
has parent: ring

1,2-dihydro-1,2,4-triazine-5,6-dione
type: substructure
has parent: ring

1-2-4-oxadiazolidine-3-5-dione
type: substructure
has parent: ring

1-4-dihydro-1-2-3-4-tetrazol-5-one
type: substructure
has parent: ring

1-2-3-4-thiatriazole
type: substructure
has parent: ring

1,3,5,2,4,6-trioxatriphosphinane
type: substructure
has parent: ring

N-ethyl
type: substructure
has parent: carbon_skeleton

O-ethyl
type: substructure
has parent: carbon_skeleton

N-n-propyl
type: substructure
has parent: carbon_skeleton

O-n-propyl
type: substructure
has parent: carbon_skeleton

S-n-propyl
type: substructure
has parent: carbon_skeleton

n-butyl
type: substructure
has parent: carbon_skeleton

n-pentyl
type: substructure
has parent: carbon_skeleton

n-hexyl
type: substructure
has parent: carbon_skeleton

n-heptyl
type: substructure
has parent: carbon_skeleton

n-octyl
type: substructure
has parent: carbon_skeleton

n-decyl
type: substructure
has parent: carbon_skeleton

n-dodecyl
type: substructure
has parent: carbon_skeleton

n-tridecyl
type: substructure
has parent: carbon_skeleton

n-tetradecyl
type: substructure
has parent: carbon_skeleton

n-hexadecyl
type: substructure
has parent: carbon_skeleton

n-octadecyl
type: substructure
has parent: carbon_skeleton

tetracosanoyl
type: substructure
has parent: carbon_skeleton

docosanoyl
type: substructure
has parent: carbon_skeleton

eicosanoyl
type: substructure
has parent: carbon_skeleton

stearoyl
type: substructure
has parent: carbon_skeleton

octadecenoyl
type: substructure
has parent: carbon_skeleton

palmitate
type: substructure
has parent: carbon_skeleton

3-hydroxyhexadecanoyl
type: substructure
has parent: carbon_skeleton

sphingosine
type: substructure
has parent: carbon_skeleton

tetradecanoyl
type: substructure
has parent: carbon_skeleton

3-hydroxytetradecanoyl
type: substructure
has parent: carbon_skeleton

embelin
type: substructure
has parent: carbon_skeleton

lauroyl
type: substructure
has parent: carbon_skeleton

decanoyl
type: substructure
has parent: carbon_skeleton

3-oxododecanoyl
type: substructure
has parent: carbon_skeleton

oleoyl
type: substructure
has parent: carbon_skeleton

3-hydroxydecanoyl
type: substructure
has parent: carbon_skeleton

heptanoyl
type: substructure
has parent: carbon_skeleton

octadecadienoyl
type: substructure
has parent: carbon_skeleton

icosatetraenoyl
type: substructure
has parent: carbon_skeleton

hexanoyl
type: substructure
has parent: carbon_skeleton

2-ethylhexyl
type: substructure
has parent: carbon_skeleton

2-N-hexanoyl
type: substructure
has parent: carbon_skeleton

butanoyl
type: substructure
has parent: carbon_skeleton

3-oxohexanoyl
type: substructure
has parent: carbon_skeleton

isoleucine
type: substructure
has parent: carbon_skeleton

2-amino-3-methylpentanoyl
type: substructure
has parent: carbon_skeleton

2-methylbutanoyl
type: substructure
has parent: carbon_skeleton

propanoyl
type: substructure
has parent: carbon_skeleton

phytol
type: substructure
has parent: carbon_skeleton

leucyl
type: substructure
has parent: carbon_skeleton

valine
type: substructure
has parent: carbon_skeleton

2-hydroxy-2-[(1S)-1-hydroxyethyl]-3-methylbutanoyl
type: substructure
has parent: carbon_skeleton

2-amino-3-hydroxy-4-methylpentanoyl
type: substructure
has parent: carbon_skeleton

2-methylpropanoyl
type: substructure
has parent: carbon_skeleton

alanine_residue
type: substructure
has parent: carbon_skeleton

N-isopropyl
type: substructure
has parent: carbon_skeleton

1-2-N-propyl
type: substructure
has parent: carbon_skeleton

1-aminopropan-2-ol
type: substructure
has parent: carbon_skeleton

threonine_residue
type: substructure
has parent: carbon_skeleton

lactate
type: substructure
has parent: carbon_skeleton

O-isopropyl
type: substructure
has parent: carbon_skeleton

2-methyl-2-propanol
type: substructure
has parent: carbon_skeleton

penicillamine
type: substructure
has parent: carbon_skeleton

5-6-dideoxy-3-N-hexopyranose
type: substructure
has parent: carbon_skeleton

2-3-6-trideoxy-4-N-hexopyranose
type: substructure
has parent: carbon_skeleton

1-5-dideoxy-4-N-hexopyranoketose
type: substructure
has parent: carbon_skeleton

3-6-dideoxyhexopyranose
type: substructure
has parent: carbon_skeleton

2-6-dideoxyhexopyranose
type: substructure
has parent: carbon_skeleton

fucoside
type: substructure
has parent: carbon_skeleton

2-6-dideoxy-3-methyl-hexopyranose
type: substructure
has parent: carbon_skeleton

4-dehydro-6-deoxy-hexopyranose
type: substructure
has parent: carbon_skeleton

chrysanthemoyl
type: substructure
has parent: carbon_skeleton

3-N-4-methyl-pentopyranose
type: substructure
has parent: carbon_skeleton

5-ethylidene-2-hydroxy-2-3-dimethylhexanedioate
type: substructure
has parent: carbon_skeleton

13-14-dihydroxy-12-12-dimethyl-3-11-dioxatricyclo-tetradecatetraenone
type: substructure
has parent: carbon_skeleton

isopropanolol
type: substructure
has parent: carbon_skeleton

2-methylcrotonoyl
type: substructure
has parent: carbon_skeleton

N-prenyl
type: substructure
has parent: carbon_skeleton

O-prenyl
type: substructure
has parent: carbon_skeleton

S-prenyl
type: substructure
has parent: carbon_skeleton

dolichol
type: substructure
has parent: carbon_skeleton

undecaprenyl
type: substructure
has parent: carbon_skeleton

3-dimethylallyl-4-hydroxybenzoyl
type: substructure
has parent: carbon_skeleton

methylcrotonyl
type: substructure
has parent: carbon_skeleton

N-4-hydroxyisopentenyl
type: substructure
has parent: carbon_skeleton

7-9-11-13-15-pentahydroxy-2-6-8-10-12-pentamethylpentadeca-2-4-14-trienoyl
type: substructure
has parent: carbon_skeleton

methacrylyl
type: substructure
has parent: carbon_skeleton

N-acetyl
type: substructure
has parent: carbon_skeleton

S-acetyl
type: substructure
has parent: carbon_skeleton

O-acetyl
type: substructure
has parent: carbon_skeleton

2-6-dimethylaniline
type: substructure
has parent: carbon_skeleton

N-4-hydroxyphenyl
type: substructure
has parent: carbon_skeleton

O-4-hydroxyphenyl
type: substructure
has parent: carbon_skeleton

S-4-hydroxyphenyl
type: substructure
has parent: carbon_skeleton

3-amino-4-7-dihydroxy-8-methylchromen-2-one
type: substructure
has parent: carbon_skeleton

ethanolamine
type: substructure
has parent: carbon_skeleton

cysteamine
type: substructure
has parent: carbon_skeleton

1-3-diaminopropane
type: substructure
has parent: carbon_skeleton

1-4-butanediamine
type: substructure
has parent: carbon_skeleton

lysine
type: substructure
has parent: carbon_skeleton

ornithine
type: substructure
has parent: carbon_skeleton

4-N-butanoyl
type: substructure
has parent: carbon_skeleton

2-4-diaminobutanoate
type: substructure
has parent: carbon_skeleton

beta-alanine
type: substructure
has parent: carbon_skeleton

2-6-N-hexopyranose
type: substructure
has parent: carbon_skeleton

pentofuranose
type: substructure
has parent: carbon_skeleton

glycine
type: substructure
has parent: carbon_skeleton

2-N-ethylhalide
type: substructure
has parent: carbon_skeleton

3-amino-1-2-propanediol
type: substructure
has parent: carbon_skeleton

N-benzyl
type: substructure
has parent: carbon_skeleton

ethylene_glycol
type: substructure
has parent: carbon_skeleton

2-N-4-hydroxybutanoyl
type: substructure
has parent: carbon_skeleton

tropate
type: substructure
has parent: carbon_skeleton

serine
type: substructure
has parent: carbon_skeleton

glycerol
type: substructure
has parent: carbon_skeleton

hexonate
type: substructure
has parent: carbon_skeleton

neuraminate
type: substructure
has parent: carbon_skeleton

1-N-2-deoxy-pentofuranose
type: substructure
has parent: carbon_skeleton

3-N-hexopyranose
type: substructure
has parent: carbon_skeleton

2-N-hexopyranose
type: substructure
has parent: carbon_skeleton

hexo-pyranose
type: substructure
has parent: carbon_skeleton

1-S-hexopyranose
type: substructure
has parent: carbon_skeleton

hexofuranoketose
type: substructure
has parent: carbon_skeleton

2-deoxy-pentofuranose
type: substructure
has parent: carbon_skeleton

glycolate
type: substructure
has parent: carbon_skeleton

3-7-11-15-18-22-26-30-octamethyldotriacontane-1-32-diol
type: substructure
has parent: carbon_skeleton

homocysteine
type: substructure
has parent: carbon_skeleton

cysteine
type: substructure
has parent: carbon_skeleton

2-S-acetyl
type: substructure
has parent: carbon_skeleton

S-benzyl
type: substructure
has parent: carbon_skeleton

2-haloacetyl
type: substructure
has parent: carbon_skeleton

alpha-amino_acid
type: substructure
has parent: carbon_skeleton

7-(hydroxymethyl)-2-3-5-7a-tetrahydro-1H-pyrrolizin-1-ol
type: substructure
has parent: carbon_skeleton

norcoclaurine
type: substructure
has parent: carbon_skeleton

hexopyranose
type: substructure
has parent: carbon_skeleton

2-deoxystreptamine
type: substructure
has parent: carbon_skeleton

2-4-N-1-3-5-6-O-cyclohexane
type: substructure
has parent: carbon_skeleton

3-amino-6-hydroxypiperidin-2-one
type: substructure
has parent: carbon_skeleton

inositol
type: substructure
has parent: carbon_skeleton

hexopyranouronate
type: substructure
has parent: carbon_skeleton

hexopyranose_carboxylate
type: substructure
has parent: carbon_skeleton

4-5-6-trihydroxy-5-6-dihydro-4H-pyran-2-carboxylate
type: substructure
has parent: carbon_skeleton

2-N-prop-2-enoyl
type: substructure
has parent: carbon_skeleton

N-ethenyl-p-phenol
type: substructure
has parent: carbon_skeleton

2-aminoadipate
type: substructure
has parent: carbon_skeleton

glutamine
type: substructure
has parent: carbon_skeleton

malonate
type: substructure
has parent: carbon_skeleton

phenylacetyl
type: substructure
has parent: carbon_skeleton

phenylalanine
type: substructure
has parent: carbon_skeleton

cinnamate
type: substructure
has parent: carbon_skeleton

4-coumaroyl
type: substructure
has parent: carbon_skeleton

caffeate
type: substructure
has parent: carbon_skeleton

succinyl
type: substructure
has parent: carbon_skeleton

aspartate
type: substructure
has parent: carbon_skeleton

tryptophan
type: substructure
has parent: carbon_skeleton

glutamyl
type: substructure
has parent: carbon_skeleton

tyrosine
type: substructure
has parent: carbon_skeleton

tetrapyrrole_derivative
type: substructure
has parent: carbon_skeleton

histidine
type: substructure
has parent: carbon_skeleton

2-amino-2-phenylacetyl
type: substructure
has parent: carbon_skeleton

4-hydroxyphenylglycine
type: substructure
has parent: carbon_skeleton

maleate
type: substructure
has parent: carbon_skeleton

benzoate
type: substructure
has parent: carbon_skeleton

phthalate
type: substructure
has parent: carbon_skeleton

2-3-dihydroxybenzoyl
type: substructure
has parent: carbon_skeleton

p-N-benzoate
type: substructure
has parent: carbon_skeleton

galloyl
type: substructure
has parent: carbon_skeleton

anthranilate
type: substructure
has parent: carbon_skeleton

2-amino-3-(3-halo-4-hydroxyphenyl)-3-hydroxypropanyl
type: substructure
has parent: carbon_skeleton

2-amino-2-(3-4-dihydroxyphenyl)acetyl
type: substructure
has parent: carbon_skeleton

2-amino-3-(3-halo-4-hydroxyphenyl)propanoyl
type: substructure
has parent: carbon_skeleton

2-amino-2-(3-5-dihydroxyphenyl)acetyl
type: substructure
has parent: carbon_skeleton

2-amino-2-(3-4-5-trihydroxyphenyl)acetyl
type: substructure
has parent: carbon_skeleton

(2-iminoethylidene)-2-3-dihydro-1H-pyridine-2-6-dicarboxylic_acid
type: substructure
has parent: carbon_skeleton

cyclo-dopa
type: substructure
has parent: carbon_skeleton

trihydroxybenzoate_dimer
type: substructure
has parent: carbon_skeleton

flavonol
type: substructure
has parent: carbon_skeleton

cyanidin
type: substructure
has parent: carbon_skeleton

alkyl_halide
type: substructure
has parent: X-containing_group
has child: cycic_alkyl_halide
has child: di-halo_alkyl
has child: halo_alkyl
has child: tri-halo_alkyl

sulfate
type: substructure
has child: alcohol_sulfate_ester
has parent: O,S-containing_group
has child: cyclic_alcohol_sulfate_ester
has child: phenol_sulfate_ester

methyl_carboxylic_ester
type: substructure
has parent: carboxylic_ester

alkyl_ketone
type: substructure
has parent: ketone

alkyl_carboxylate
type: substructure
has parent: carboxylate
has child: tertiary_carbon_carboxylate

alkyl_aryl
type: substructure
has parent: hydrocarbon_group
has child: aryl_methyl

secondary_alkyl_amine
type: substructure
has parent: alkyl_amine

tertiary_alkyl_amine
type: substructure
has parent: alkyl_amine

secondary_alkyl_imine
type: substructure
has parent: secondary_imine

primary_alkyl_alcohol
type: substructure
has parent: primary_alcohol

alkyl_hydroxyl_ether
type: substructure
has parent: alkyl_hydroxy_ether

alkyl_carboxyl_ester
type: substructure
has parent: alkyl_carboxylic_ester

alkyl_phosphine
type: substructure
has parent: P-alkyl

S-alkyl
type: substructure
has parent: S-containing_group
has child: S-methyl

primary_alkyl_mercapto
type: substructure
has parent: alkyl_thiol

secondary_alkyl_sulfide
type: substructure
has parent: alkyl_thiol

alkyl_aldehyde
type: substructure
has parent: aldehyde
has child: formyl_quartery_carbon

secondary_alkyl_alkenyl_amine
type: substructure
has parent: secondary_amine

N-formyl
type: substructure
has parent: N,O-containing_group

N-carboxylate
type: substructure
has parent: N,O-containing_group

N-oxycarbonyl
type: substructure
has parent: amide

secondary_alkyl_aryl_amine
type: substructure
has parent: secondary_amine

phosphine_amine
type: substructure
has child: amino_phosphine
has parent: N,P-containing_group
has child: cyclic_amine_phosphine

phosphoramide
type: substructure
has parent: N,O,P-containing_group

secondary_imine
type: substructure
has child: secondary_alkyl_imine
has parent: imine

alkyl_hydroxy_ether
type: substructure
has parent: hydroxy_ether
has child: alkyl_hydroxyl_ether
has child: cyclic_alkyl_hydroxy_ether
has child: cyclic_tertiary_alcohol_ether
has child: di-alkyl_hydroxy_ether
has child: secondary_alcohol_ether

alkyl_alkenyl_hydroxy_ether
type: substructure
has parent: hydroxy_ether

alkyl_aryl_hydroxy_ether
type: substructure
has parent: hydroxy_ether

primary_alcohol_sulfate_ester
type: substructure
has parent: alcohol_sulfate_ester

primary_alcohol_phosphate_ester
type: substructure
has parent: O,P-containing_group

primary_alcohol_carboxylic_ester
type: substructure
has parent: carboxylic_ester

di-alkyl_sulfide
type: substructure
has parent: thioether

alkyl_alkenyl_sulfide
type: substructure
has parent: thioether

S-formyl
type: substructure
has parent: N,O,S-containing_group

carboxylic_thioester
type: substructure
has parent: O,S-containing_group

alkyl_aryl_sulfide
type: substructure
has parent: thioether

alkyl_persulfide
type: substructure
has parent: persulfide

alkyl_disulfide
type: substructure
has parent: disulfide

alkyl_carboxylic_ester
type: substructure
has child: alkyl_carboxyl_ester
has parent: carboxylic_ester
has child: alkyl_carboxylate_ester

secondary_amine
type: substructure
has child: alkyl_alkenyl_amine
has parent: amine
has child: alkyl_aryl_amine
has child: secondary_alkyl_alkenyl_amine
has child: secondary_alkyl_aryl_amine
has child: secondary_aryl_amine

alkyl_phosphonate
type: substructure
has parent: phosphonate

alkyl_mercapto
type: substructure
has parent: alkyl_thiol

alkyl_thioether
type: substructure
has parent: thioether

alkyl_sulfonate
type: substructure
has parent: sulfonate

di-alkyl_amine
type: substructure
has parent: alkyl_amine

alkyl_alkenyl_amine
type: substructure
has parent: secondary_amine

alkyl_aryl_amine
type: substructure
has parent: secondary_amine

hydroxyl_ether
type: substructure
has parent: hydroxy_ether

alcohol_peroxide
type: substructure
has parent: peroxide

alcohol_sulfate_ester
type: substructure
has parent: sulfate
has child: primary_alcohol_sulfate_ester

alcohol_phosphate_ester
type: substructure
has parent: phosphate

hydroxy_ether
type: substructure
has child: alkenyl_hydroxy_ether
has parent: O-containing_group
has child: alkyl_alkenyl_hydroxy_ether
has child: alkyl_aryl_hydroxy_ether
has child: alkyl_hydroxy_ether
has child: aryl_aromatic_hydroxyether
has child: aryl_hydroxy_ether
has child: cyclic_hydroxy_ether
has child: hydroxyl_ether
has child: phenol_ether
has child: tertiary_alcohol_ether

tertiary_alcohol_phosphate_ester
type: substructure
has child: cyclic_tertiary_alcohol_phosphate_ester
has parent: O,P-containing_group

cyclic_methylene
type: substructure
has parent: methylene

cyclic_amine
type: substructure
has child: cyclic_alkenyl_amine
has parent: amine
has child: cyclic_alkyl_alkenyl_amine
has child: cyclic_alkyl_aryl_amine
has child: cyclic_methylene_diamine

cyclic_imine
type: substructure
has parent: imine

cyclic_hydroxy_ether
type: substructure
has child: cyclic_alkenyl_aryl_hydroxy_ether
has parent: hydroxy_ether
has child: cyclic_hydroxyl_ether
has child: cyclic_methylene_diether
has child: cyclic_secondary_alcohol_ether
has child: secondary_alcohol_cyclic_ether

cyclic_disulfide
type: substructure
has parent: disulfide

cyclic_alkenyl
type: substructure
has parent: alkenyl

lactam
type: substructure
has child: cyclic_amide
has parent: amide

cyclic_amine_phosphine
type: substructure
has parent: phosphine_amine

cyclic_hydroxyl_ether
type: substructure
has parent: cyclic_hydroxy_ether

lactone
type: substructure
has child: O-heterocyclic_aromatic_lactone
has parent: carboxylic_ester
has child: alkenyl_lactone
has child: aryl_aromatic_lactone

cyclic_sulfide
type: substructure
has parent: cyclic_thioether

amine_sulfate
type: substructure
has child: alkyl_amine_sulfate
has parent: N,O,S-containing_group

cyclic_alkyl_alkenyl_amine
type: substructure
has parent: cyclic_amine

cyclic_alkyl_aryl_amine
type: substructure
has parent: cyclic_amine

di-alkyl_hydroxy_ether
type: substructure
has parent: alkyl_hydroxy_ether

cyclic_alcohol_sulfate_ester
type: substructure
has parent: sulfate

cyclic_alcohol_phosphate_ester
type: substructure
has parent: cyclic_phosphate_ester

cyclic_peroxide
type: substructure
has parent: peroxide

alkyl_carboxylate_ester
type: substructure
has parent: alkyl_carboxylic_ester

disulfide
type: substructure
has child: alkyl_disulfide
has parent: S-containing_group
has child: cyclic_disulfide

cyclic_tertiary_alcohol_phosphate_ester
type: substructure
has parent: tertiary_alcohol_phosphate_ester

alkenyl_halide
type: substructure
has parent: X-containing_group
has child: di-halo_alkenyl

alkenyl_aldehyde
type: substructure
has parent: aldehyde

alkenyl_ketone
type: substructure
has parent: ketone

alkenyl_carboxylate
type: substructure
has parent: carboxylate

alkenyl_aryl
type: substructure
has parent: hydrocarbon_group

alkenyl_imine
type: substructure
has parent: imine

alkenyl_hydroxy_ether
type: substructure
has parent: hydroxy_ether
has child: cyclic_alkenyl_hydroxy_ether
has child: enol_ether

alkenyl_nitrile
type: substructure
has parent: nitrile

enol_phosphate_ester
type: substructure
has parent: enol_phosphate

hydroxy_imine
type: substructure
has parent: N,O-containing_group

S-oxide
type: substructure
has parent: O,S-containing_group

cyclic_amide
type: substructure
has parent: lactam

cyclic_alkenyl_amine
type: substructure
has parent: cyclic_amine

cyclic_alkenyl_imine
type: substructure
has parent: imine

cyclic_aryl_imine
type: substructure
has parent: aryl_imine

cyclic_alkenyl_aryl_hydroxy_ether
type: substructure
has parent: cyclic_hydroxy_ether

alkenyl_lactone
type: substructure
has parent: lactone

alkynyl_carboxylate
type: substructure
has parent: carboxylate

alkynyl_aldehyde
type: substructure
has parent: aldehyde

beta-keto_carbonyl
type: substructure
has parent: carbonyl

beta-keto_carboxyl
type: substructure
has parent: carboxylate

beta-keto_carboxyl_ester
type: substructure
has parent: carboxylic_ester

primary_amine
type: substructure
has child: primary_alkyl_amine
has parent: amine
has child: primary_aryl_amine

methynele
type: substructure
has parent: alkyl

alpha-keto_aldehyde
type: substructure
has parent: aldehyde

imide
type: substructure
has child: N-carboxyl_imide
has parent: N,O-containing_group
has child: cyclic_imide
has child: cyclic_imide_lactam

N-carboxyl_imide
type: substructure
has parent: imide

hydrazine_amide
type: substructure
has parent: N,O-containing_group

cyclic_beta-keto_carbonyl
type: substructure
has parent: carbonyl

cyclic_imide_lactam
type: substructure
has parent: imide

carboxylate_phosphate_ester
type: substructure
has parent: phosphate

carboxylic_ester
type: substructure
has child: lactone
has child: alkyl_carboxylic_ester
has parent: O-containing_group
has child: alpha-keto_carboxylic_ester
has child: beta-keto_carboxyl_ester
has child: methyl_carboxylic_ester
has child: primary_alcohol_carboxylic_ester

carboxylic_ester_amine
type: substructure
has parent: N,O-containing_group

aryl
type: substructure
has parent: hydrocarbon_group
has child: branch_aryl
has child: coupled_aryl

aryl_aromatic_amine
type: substructure
has parent: amine

aryl_aromatic_imine
type: substructure
has parent: aryl_imine
has child: aryl_aromatic_tertiary_imine

aryl_hydroxylether
type: substructure
has parent: aryl_hydroxy_ether

aryl_aromatic_sulfide
type: substructure
has parent: aryl_thiol

aryl_aromatic_hydrazine
type: substructure
has parent: hydrazine

aryl_aromatic_hydroxyether
type: substructure
has parent: hydroxy_ether
has child: aryl_aromatic_hydroxylether

azo
type: substructure
has parent: N-containing_group

aryl_aromatic_hydroxylether
type: substructure
has parent: aryl_aromatic_hydroxyether

phenol_sulfate_ester
type: substructure
has parent: sulfate

phenol_phosphate_ester
type: substructure
has parent: phosphate

aryl_aromatic_lactone
type: substructure
has parent: lactone

nitrile_amine
type: substructure
has parent: N-containing_group

cyclic_methylene_diamine
type: substructure
has parent: cyclic_amine

alkyl_imine
type: substructure
has parent: imine

oxime_sulfate_ester
type: substructure
has parent: N,O,S-containing_group

hydroxy_nitrile
type: substructure
has parent: N,O-containing_group

nitro
type: substructure
has parent: N,O-containing_group

cyclic_methylene_diether
type: substructure
has parent: cyclic_hydroxy_ether

P-formyl
type: substructure
has parent: O,P-containing_group

phosphoanhydride
type: substructure
has child: cyclic_phosphoanhydride
has parent: O,P-containing_group

cyclic_phosphoanhydride
type: substructure
has parent: phosphoanhydride

alkyl_amine_sulfate
type: substructure
has parent: amine_sulfate

tertiary_alkyl
type: substructure
has child: cyclic_tertiary_alkyl
has parent: alkyl
has child: tertiary_carbon

alpha_amino_acid
type: substructure
has parent: alpha_amino_acid_and_residue

alpha_hydroxy_acid
type: substructure
has parent: alpha_hydroxy_acid_and_residue

di-halo_alkyl
type: substructure
has parent: alkyl_halide

secondary_alcohol_ether
type: substructure
has parent: alkyl_hydroxy_ether

alpha_amino_acid_residue
type: substructure
has parent: alpha_amino_acid_and_residue

alpha_hydroxy_acid_residue
type: substructure
has parent: alpha_hydroxy_acid_and_residue

gem-diol
type: substructure
has parent: diol

tertiary_carbon
type: substructure
has parent: tertiary_alkyl

alpha_hydroxy_aldehyde
type: substructure
has parent: aldehyde

hemiacetal
type: substructure
has child: aryl_aromatic_hemiacetal
has parent: O-containing_group
has child: cyclic_hemiacetal

quaternary_alkyl
type: substructure
has parent: alkyl

tertiary_alcohol_ether
type: substructure
has parent: hydroxy_ether

tri-halo_alkyl
type: substructure
has parent: alkyl_halide

cyclic_tertiary_alkyl
type: substructure
has parent: tertiary_alkyl

secondary_alcohol_cyclic_ether
type: substructure
has parent: cyclic_hydroxy_ether

cyclic_thioether
type: substructure
has child: cyclic_sulfide
has parent: thioether

cyclic_tertiary_carbon
type: substructure
has parent: cyclic_alkyl

cyclic_secondary_alcohol_ether
type: substructure
has parent: cyclic_hydroxy_ether

cyclic_hemiaminal
type: substructure
has parent: hemiaminal

cyclic_aminal
type: substructure
has parent: aminal

cyclic_hemiacetal
type: substructure
has parent: hemiacetal

halo_alkyl
type: substructure
has parent: alkyl_halide

cyclic_ether_halide
type: substructure
has child: cyclic_di-halo_ether
has parent: O,X-containing_group

cycic_alkyl_halide
type: substructure
has parent: alkyl_halide

cyclic_quartenary_alkyl
type: substructure
has parent: cyclic_alkyl

cyclic_tertiary_alcohol_ether
type: substructure
has parent: alkyl_hydroxy_ether

cyclic_ketal
type: substructure
has parent: ketal

cyclic_hemiketal
type: substructure
has parent: hemiketal

cyclic_alkyl_ether_sulfone
type: substructure
has parent: O,S-containing_group

cyclic_alkyl_ether_halide
type: substructure
has parent: O,X-containing_group

cyclic_di-halo_ether
type: substructure
has parent: cyclic_ether_halide

cyclic_secondary_alcohol_halide
type: substructure
has parent: O,X-containing_group

S-substituted_imine
type: substructure
has parent: N,S-containing_group

enol_ether
type: substructure
has parent: alkenyl_hydroxy_ether

di-halo_alkenyl
type: substructure
has parent: alkenyl_halide

alpha-keto_ketone
type: substructure
has child: alpha-keto_cyclic_ketone
has parent: ketone

alpha-keto_carboxylate
type: substructure
has parent: carboxylate

alpha-aryl_ketone
type: substructure
has parent: ketone

alpha-keto_carboxylic_ester
type: substructure
has parent: carboxylic_ester

pseudourea
type: substructure
has child: aryl_aromatic_pseudourea
has parent: amide
has child: cyclic_pseudourea

cyclic_ketone
type: substructure
has parent: ketone

cyclic_alpha-keto_ketone
type: substructure
has parent: ketone

cyclic_alpha-aryl_ketone
type: substructure
has parent: ketone

alpha-aryl_cyclic_ketone
type: substructure
has parent: ketone

alpha-keto_cyclic_ketone
type: substructure
has parent: alpha-keto_ketone

cyclic_pseudourea
type: substructure
has parent: pseudourea

P-carboxylate
type: substructure
has parent: O,P-containing_group

aryl_aromatic_imine_sulfide
type: substructure
has parent: N,S-containing_group

phenol_ether
type: substructure
has parent: hydroxy_ether

aryl_halide
type: substructure
has parent: X-containing_group

aryl_aromatic_ketone
type: substructure
has parent: ketone

aryl_sulfonate
type: substructure
has parent: sulfonate

aryl_aromatic_amide
type: substructure
has parent: amide

aryl_aromatic_hemiacetal
type: substructure
has parent: hemiacetal

aryl_aromatic_thioacetal
type: substructure
has parent: O,S-containing_group

aryl_aromatic_thioamide
type: substructure
has parent: N,S-containing_group

aryl_aromatic_methanetriamine
type: substructure
has parent: alkyl_amine

aryl_aromatic_pseudourea
type: substructure
has parent: pseudourea

aryl_aromatic_pseudothiourea
type: substructure
has parent: N,S-containing_group

tertiary_amine
type: substructure
has child: aryl_aromatic_tertiary_amine
has parent: amine
has child: cyclic_tertiary_amine

N-hydroxy_amide
type: substructure
has parent: amide

quartenary_ammonium
type: substructure
has parent: quartary_ammonium

tertiary_amine_oxide
type: substructure
has parent: N-oxide

cyclic_tertiary_amine
type: substructure
has parent: tertiary_amine

cyclic_imide
type: substructure
has parent: imide

azoxy
type: substructure
has parent: N,O-containing_group

quaternary_immonium
type: substructure
has parent: imine

tertiary_imine_oxide
type: substructure
has parent: N-oxide

tertiary_imine
type: substructure
has parent: imine

aryl_aromatic_tertiary_amine
type: substructure
has parent: tertiary_amine

aryl_aromatic_tertiary_imine
type: substructure
has parent: aryl_aromatic_imine

secondary_phosphine_dioxide
type: substructure
has parent: O,P-containing_group

primary_phosphine_dioxide
type: substructure
has parent: O,P-containing_group

phosphonate
type: substructure
has child: alkyl_phosphonate
has parent: O,P-containing_group

sulfonium
type: substructure
has parent: S-containing_group

cyclic_sulfonium
type: substructure
has parent: S-containing_group

sulfide_oxide
type: substructure
has parent: O,S-containing_group

sulfonate
type: substructure
has child: alkyl_sulfonate
has parent: O,S-containing_group
has child: aryl_sulfonate

sulfite
type: substructure
has parent: O,S-containing_group

The root node of piero:substructure
type: substructure
has child: carbon_skeleton
has child: ring
has child: complex_group
has child: N-containing_group
has child: O-containing_group
has child: P-containing_group
has child: S-containing_group
has child: Se-containing_group
has child: X-containing_group
has child: hydrocarbon_group
has child: residue
has child: element_other_than_C,N,O,P,S,X
has child: SS00029
has child: SS00778

carbon_skeleton
has child: (2-iminoethylidene)-2-3-dihydro-1H-pyridine-2-6-dicarboxylic_acid
type: substructure
has parent: The root node of piero:substructure
has child: 1,3-cyclohexadiene
has child: 1-2-N-propyl
has child: 1-3-diaminopropane
has child: 1-4-butanediamine
has child: 1-5-dideoxy-4-N-hexopyranoketose
has child: 1-N-2-deoxy-pentofuranose
has child: 1-S-hexopyranose
has child: 1-aminopropan-2-ol
has child: 13-14-dihydroxy-12-12-dimethyl-3-11-dioxatricyclo-tetradecatetraenone
has child: 2-3-6-trideoxy-4-N-hexopyranose
has child: 2-3-dihydroxybenzoyl
has child: 2-4-N-1-3-5-6-O-cyclohexane
has child: 2-4-diaminobutanoate
has child: 2-6-N-hexopyranose
has child: 2-6-dideoxy-3-methyl-hexopyranose
has child: 2-6-dideoxyhexopyranose
has child: 2-6-dimethylaniline
has child: 2-N-4-hydroxybutanoyl
has child: 2-N-ethylhalide
has child: 2-N-hexanoyl
has child: 2-N-hexopyranose
has child: 2-N-prop-2-enoyl
has child: 2-S-acetyl
has child: 2-amino-2-(3-4-5-trihydroxyphenyl)acetyl
has child: 2-amino-2-(3-4-dihydroxyphenyl)acetyl
has child: 2-amino-2-(3-5-dihydroxyphenyl)acetyl
has child: 2-amino-2-phenylacetyl
has child: 2-amino-3-(3-halo-4-hydroxyphenyl)-3-hydroxypropanyl
has child: 2-amino-3-(3-halo-4-hydroxyphenyl)propanoyl
has child: 2-amino-3-hydroxy-4-methylpentanoyl
has child: 2-amino-3-methylpentanoyl
has child: 2-aminoadipate
has child: 2-deoxy-pentofuranose
has child: 2-deoxystreptamine
has child: 2-ethylhexyl
has child: 2-haloacetyl
has child: 2-hydroxy-2-[(1S)-1-hydroxyethyl]-3-methylbutanoyl
has child: 2-methyl-2-propanol
has child: 2-methylbutanoyl
has child: 2-methylcrotonoyl
has child: 2-methylpropanoyl
has child: 2-sulfanyl-1-2-dihydronaphthalen-1-ol
has child: 3-6-dideoxyhexopyranose
has child: 3-7-11-15-18-22-26-30-octamethyldotriacontane-1-32-diol
has child: 3-N-4-methyl-pentopyranose
has child: 3-N-hexopyranose
has child: 3-amino-1-2-propanediol
has child: 3-amino-4-7-dihydroxy-8-methylchromen-2-one
has child: 3-amino-6-hydroxypiperidin-2-one
has child: 3-dimethylallyl-4-hydroxybenzoyl
has child: 3-hydroxydecanoyl
has child: 3-hydroxyhexadecanoyl
has child: 3-hydroxytetradecanoyl
has child: 3-oxododecanoyl
has child: 3-oxohexanoyl
has child: 4-5-6-trihydroxy-5-6-dihydro-4H-pyran-2-carboxylate
has child: 4-N-butanoyl
has child: 4-coumaroyl
has child: 4-dehydro-6-deoxy-hexopyranose
has child: 4-hydroxyphenylglycine
has child: 5-6-dideoxy-3-N-hexopyranose
has child: 5-ethylidene-2-hydroxy-2-3-dimethylhexanedioate
has child: 7-(hydroxymethyl)-2-3-5-7a-tetrahydro-1H-pyrrolizin-1-ol
has child: 7-9-11-13-15-pentahydroxy-2-6-8-10-12-pentamethylpentadeca-2-4-14-trienoyl
has child: N-4-hydroxyisopentenyl
has child: N-4-hydroxyphenyl
has child: N-acetyl
has child: N-benzyl
has child: N-ethenyl-p-phenol
has child: N-ethyl
has child: N-isopropyl
has child: N-n-propyl
has child: N-naphthyl
has child: N-prenyl
has child: O-4-hydroxyphenyl
has child: O-acetyl

ring
has child: 1,2,3,4,7,8-hexahydro-1,5-diazocine
type: substructure
has parent: The root node of piero:substructure
has child: 1,2,3,4,7,8-hexahydroazocine
has child: 1,2,3,4-tetrahydropyrazine
has child: 1,2,3,4-tetrahydropyridine
has child: 1,2,3,5,8,8a-hexahydroindolizine
has child: 1,2,3,6,7,7a-hexahydroinden-5-one
has child: 1,2,3,6-tetrahydropyrazine
has child: 1,2,3-trithiane
has child: 1,2,4-dithiazinan-5-one
has child: 1,2,4-trioxane
has child: 1,2,5,6-tetrahydropyrimidine
has child: 1,2-dihydro-1,2,4-triazine-5,6-dione
has child: 1,2-dihydro-1,3,5-triazine
has child: 1,2-dihydropyrazine
has child: 1,2-dihydropyridine
has child: 1,2-dihydropyrimidine
has child: 1,2-dioxane
has child: 1,2-dioxepane
has child: 1,2-dithiane
has child: 1,2-dithiepan-5-one
has child: 1,2-dithiine
has child: 1,2-epoxycyclohexane
has child: 1,2-oxazinane
has child: 1,3,2-dioxaphosphinane
has child: 1,3,2-dioxathiepane
has child: 1,3,2-oxazaphosphinan-4-one
has child: 1,3,2-oxazaphosphinane
has child: 1,3,3a,6,7,7a-hexahydro-2-benzofuran
has child: 1,3,3a,6,7,7a-hexahydroindol-2-one
has child: 1,3,4,5-tetrahydroazepin-2-one
has child: 1,3,4,7,8,9-hexahydro-1,4-diazonin-2-one
has child: 1,3,5,2,4,6-trioxatriphosphinane
has child: 1,3,5-thiadiazinan-4-one
has child: 1,3,5-thiadiazinane
has child: 1,3,5-triazine
has child: 1,3-cycloheptadiene
has child: 1,3-cyclohexadiene
has child: 1,3-diazepan-2-one
has child: 1,3-diazinan-2-one
has child: 1,3-diazinan-4-one
has child: 1,3-diazinane
has child: 1,3-diazinane-2,4,6-trione
has child: 1,3-diazinane-4,6-dione
has child: 1,3-dihydro-1,4-diazepin-2-one
has child: 1,3-dihydropyridine-2,6-dione
has child: 1,3-dioxane
has child: 1,3-dioxepan-4-one
has child: 1,3-dioxepane
has child: 1,3-dioxocane
has child: 1,3-dithiane
has child: 1,3-oxazin-6-one
has child: 1,3-oxazinan-2-one
has child: 1,3-oxazinane
has child: 1,3-oxazinane-2,4-dione
has child: 1,3a,4,6,7,7a-hexahydroinden-5-one
has child: 1,4,5,6,7,7a-hexahydro-2-benzofuran
has child: 1,4,5,6,7,7a-hexahydroinden-2-one
has child: 1,4,5,6-tetrahydropyrimidine
has child: 1,4-cyclohexadiene
has child: 1,4-diazepan-2-one
has child: 1,4-diazinane
has child: 1,4-dihydropyrazine
has child: 1,4-dihydropyrazine-2,3-dione
has child: 1,4-dihydropyrimidine
has child: 1,4-dioxane
has child: 1,4-dioxepane
has child: 1,4-dioxin
has child: 1,4-dioxonan-2-one
has child: 1,4-dithiane
has child: 1,4-oxazepane
has child: 1,4-oxazinane
has child: 1,4-thiazepan-5-one
has child: 1,5,6,7-tetrahydroazepin-2-one
has child: 1,5-cyclooctadiene
has child: 1,5-diazocane
has child: 1,6-dihydro-1,2,4-triazine
has child: 1,6-dihydropyrimidine

N,O,P-containing_group
type: substructure
has parent: complex_group
has child: amine_phosphate
has child: phosphoramide

complex_group
has child: N,O,P-containing_group
type: substructure
has parent: The root node of piero:substructure
has child: N,O,S-containing_group
has child: N,O-containing_group
has child: N,P-containing_group
has child: N,S-containing_group
has child: O,P,S-containing_group
has child: O,P,X-containing_group
has child: O,P-containing_group
has child: O,S-containing_group
has child: O,X-containing_group
has child: P,S-containing_group

N,O,S-containing_group
type: substructure
has parent: complex_group
has child: S-formyl
has child: amine_sulfate
has child: imine_sulfonate
has child: oxime_sulfate_ester

N,O-containing_group
type: substructure
has parent: complex_group
has child: imide
has child: N-carboxylate
has child: N-formyl
has child: amide
has child: N-oxide
has child: aminal
has child: azoxy
has child: carboxylic_ester_amine
has child: hemiaminal
has child: hydrazine_amide
has child: hydroxy_amine
has child: hydroxy_imine
has child: hydroxy_nitrile
has child: iminol
has child: nitro
has child: oxime

N,P-alkyl
type: substructure
has parent: N,P-containing_group

N,P-containing_group
has child: N,P-alkyl
type: substructure
has parent: complex_group
has child: phosphine_amine

N,S-containing_group
type: substructure
has parent: complex_group
has child: S-substituted_imine
has child: aryl_aromatic_imine_sulfide
has child: aryl_aromatic_pseudothiourea
has child: aryl_aromatic_thioamide
has child: imine_thioether

N-alkenyl
type: substructure
has parent: N-containing_group
has child: enamine

N-containing_group
has child: N-alkenyl
type: substructure
has parent: The root node of piero:substructure
has child: N-alkyl
has child: N-heterocyclic_aromatic_ring
has child: imine
has child: nitrile
has child: amine
has child: hydrazine
has child: azo
has child: nitrile_amine

N-alkyl
type: substructure
has parent: N-containing_group
has child: N-methyl
has child: cyclic_N-alkyl

N-heterocyclic_aromatic_ring
type: substructure
has parent: N-containing_group

O,P,S-containing_group
type: substructure
has parent: complex_group
has child: phosphosulfate

O,P,X-containing_group
type: substructure
has parent: complex_group
has child: halophosphate

O,P-containing_group
type: substructure
has parent: complex_group
has child: P-carboxylate
has child: P-formyl
has child: P-oxide
has child: phosphate
has child: phosphonate
has child: phosphoanhydride
has child: tertiary_alcohol_phosphate_ester
has child: primary_alcohol_phosphate_ester
has child: primary_phosphine_dioxide
has child: secondary_phosphine_dioxide

O,S-containing_group
type: substructure
has parent: complex_group
has child: S-oxide
has child: sulfate
has child: sulfonate
has child: aryl_aromatic_thioacetal
has child: carboxylic_thioester
has child: cyclic_alkyl_ether_sulfone
has child: sulfide_oxide
has child: sulfite
has child: thiosulfate

O,X-containing_group
type: substructure
has parent: complex_group
has child: cyclic_alkyl_ether_halide
has child: cyclic_ether_halide
has child: cyclic_secondary_alcohol_halide

O-alkyl
type: substructure
has parent: O-containing_group
has child: O-methyl

O-containing_group
has child: O-alkyl
type: substructure
has parent: The root node of piero:substructure
has child: O-heterocyclic_aromatic_ring
has child: acetal
has child: acyl
has child: hydroxy
has child: peroxide
has child: aldehyde
has child: aldol
has child: carboxylate
has child: hydroxy_ether
has child: ketone
has child: carboxylic_ester
has child: epoxide
has child: hemiacetal
has child: carbonyl
has child: hemiketal
has child: ketal
has child: oxonium

O-heterocyclic_aromatic_lactone
type: substructure
has parent: lactone

O-heterocyclic_aromatic_ring
type: substructure
has parent: O-containing_group

P,S-containing_group
type: substructure
has parent: complex_group

P-alkyl
type: substructure
has parent: P-containing_group
has child: P-methyl
has child: alkyl_phosphine

P-containing_group
has child: P-alkyl
type: substructure
has parent: The root node of piero:substructure

P-methyl
type: substructure
has parent: P-alkyl

S-containing_group
has child: S-alkyl
type: substructure
has parent: The root node of piero:substructure
has child: thiol
has child: thioether
has child: disulfide
has child: persulfide
has child: cyclic_sulfonium
has child: sulfonium

Se-containing_group
type: substructure
has parent: The root node of piero:substructure
has child: selenol

X-containing_group
type: substructure
has parent: The root node of piero:substructure
has child: acyl_halide
has child: alkenyl_halide
has child: alkyl_halide
has child: alkynyl_halide
has child: aryl_halide

acetal
type: substructure
has parent: O-containing_group
has child: alkenyl_acetal
has child: cyclic_acetal

acyl
has child: acetyl
type: substructure
has parent: O-containing_group

acyl_halide
type: substructure
has parent: X-containing_group

hydroxy
has child: alcohol
type: substructure
has parent: O-containing_group
has child: enol
has child: phenolic_hydroxy

peroxide
has child: alcohol_peroxide
type: substructure
has parent: O-containing_group
has child: cyclic_peroxide

aldol
type: substructure
has parent: O-containing_group

hydrocarbon_group
has child: alkenyl
type: substructure
has parent: The root node of piero:substructure
has child: alkenyl_alkyl
has child: alkenyl_aryl
has child: alkyl
has child: alkyl_aryl
has child: alkynyl
has child: allene
has child: aryl

alkenyl_acetal
type: substructure
has parent: acetal

alkenyl_alkyl
type: substructure
has parent: hydrocarbon_group
has child: alkenyl_methyl

thiol
has child: alkenyl_mercapto
type: substructure
has parent: S-containing_group
has child: alkyl_thiol
has child: aryl_thiol
has child: mercapto

alkenyl_methyl
type: substructure
has parent: alkenyl_alkyl

amine
has child: secondary_amine
has child: alkyl_amine
type: substructure
has parent: N-containing_group
has child: aryl_amine
has child: aryl_aromatic_amine
has child: tertiary_amine
has child: cyclic_amine
has child: primary_amine
has child: quartary_ammonium

thioether
has child: alkyl_alkenyl_sulfide
type: substructure
has parent: S-containing_group
has child: alkyl_aryl_sulfide
has child: alkyl_thioether
has child: aryl_thioether
has child: cyclic_thioether
has child: di-alkyl_sulfide

alkyl_epoxide
type: substructure
has parent: epoxide

alkyl_thiol
has child: alkyl_mercapto
type: substructure
has parent: thiol
has child: primary_alkyl_mercapto
has child: primary_mercapto
has child: secondary_alkyl_sulfide
has child: secondary_mercapto

persulfide
has child: alkyl_persulfide
type: substructure
has parent: S-containing_group
has child: thiosulfide

alkynyl_halide
type: substructure
has parent: X-containing_group

allene
type: substructure
has parent: hydrocarbon_group

alpha_amino_acid_and_residue
has child: alpha_amino_acid
type: substructure
has parent: residue
has child: alpha_amino_acid_residue

residue
has child: alpha_amino_acid_and_residue
type: substructure
has parent: The root node of piero:substructure
has child: alpha_hydroxy_acid_and_residue
has child: carbohydrate_and_derivative

alpha_hydroxy_acid_and_residue
has child: alpha_hydroxy_acid
type: substructure
has parent: residue
has child: alpha_hydroxy_acid_residue

alpha_hydroxy_aryl
type: substructure
has parent: alcohol

alpha_hydroxy_carboxylate
type: substructure
has parent: carboxylate

alpha_hydroxy_ketone
type: substructure
has parent: ketone

alpha_keto_carboxylate
type: substructure
has parent: carboxylate

amide_aminal
type: substructure
has parent: amide

aminal
type: substructure
has parent: N,O-containing_group
has child: cyclic_aminal

amine_phosphate
type: substructure
has parent: N,O,P-containing_group

aryl_amine
has child: aniline
type: substructure
has parent: amine

aryl_imine
has child: aryl_aromatic_imine
type: substructure
has parent: imine
has child: cyclic_aryl_imine
has child: secondary_aryl_imine

aryl_thiol
has child: aryl_aromatic_sulfide
type: substructure
has parent: thiol
has child: aryl_mercapto

aryl_attached_ketone
type: substructure
has parent: ketone

aryl_carboxylate
type: substructure
has parent: carboxylate

aryl_hydroxy_ether
type: substructure
has parent: hydroxy_ether
has child: aryl_hydroxylether
has child: cyclic_aryl_hydroxy_ether

aryl_ketone
type: substructure
has parent: ketone

aryl_methyl
type: substructure
has parent: alkyl_aryl

aryl_thioether
type: substructure
has parent: thioether

carbonyl
has child: beta-keto_carbonyl
type: substructure
has parent: O-containing_group
has child: cyclic_beta-keto_carbonyl

branch_alkenyl
type: substructure
has parent: alkenyl
has child: cyclic_branch_alkenyl

branch_aryl
type: substructure
has parent: aryl

carbohydrate_and_derivative
type: substructure
has parent: residue

conjugated_double_bond
type: substructure
has parent: alkenyl

coupled_aryl
type: substructure
has parent: aryl

cyclic_N-alkyl
type: substructure
has parent: N-alkyl

cyclic_acetal
type: substructure
has parent: acetal

cyclic_phosphate_ester
has child: cyclic_alcohol_phosphate_ester
type: substructure
has parent: phosphate

cyclic_alkenyl_hydroxy_ether
type: substructure
has parent: alkenyl_hydroxy_ether

cyclic_alkyl
type: substructure
has parent: alkyl
has child: cyclic_quartenary_alkyl
has child: cyclic_tertiary_carbon
has child: cyclopropane

cyclic_alkyl_hydroxy_ether
type: substructure
has parent: alkyl_hydroxy_ether

cyclic_aryl_hydroxy_ether
type: substructure
has parent: aryl_hydroxy_ether

cyclic_branch_alkenyl
type: substructure
has parent: branch_alkenyl

cyclic_dehydro_methylene
type: substructure
has parent: dehydro_methylene

dehydro_methylene
has child: cyclic_dehydro_methylene
type: substructure
has parent: alkenyl

hemiaminal
has child: cyclic_hemiaminal
type: substructure
has parent: N,O-containing_group

hemiketal
has child: cyclic_hemiketal
type: substructure
has parent: O-containing_group

ketal
has child: cyclic_ketal
type: substructure
has parent: O-containing_group

dicarboxylate
type: substructure
has parent: carboxylate

diol
type: substructure
has parent: alcohol
has child: gem-diol
has child: vicinal_diol

diphosphate
type: substructure
has parent: phosphate

element_other_than_C,N,O,P,S,X
type: substructure
has parent: The root node of piero:substructure

enol_phosphate
type: substructure
has parent: phosphate
has child: enol_phosphate_ester

formyl_quartery_carbon
type: substructure
has parent: alkyl_aldehyde

halophosphate
type: substructure
has parent: O,P,X-containing_group

hydroxy_amine
type: substructure
has parent: N,O-containing_group
has child: hydroxylamine

imine_sulfonate
type: substructure
has parent: N,O,S-containing_group

imine_thioether
type: substructure
has parent: N,S-containing_group

iminol
type: substructure
has parent: N,O-containing_group

isolated_double_bond
type: substructure
has parent: alkenyl

methyl_aliphatic_ring
type: substructure
has parent: methyl

methyl_tertiary_carbon
type: substructure
has parent: methyl

oxonium
type: substructure
has parent: O-containing_group

phenolic_hydroxy
type: substructure
has parent: hydroxy

phosphosulfate
type: substructure
has parent: O,P,S-containing_group

primary_alkyl_amine
type: substructure
has parent: primary_amine

primary_aryl_amine
type: substructure
has parent: primary_amine

quartary_ammonium
type: substructure
has parent: amine
has child: quartenary_ammonium

secondary_aryl_amine
type: substructure
has parent: secondary_amine

secondary_aryl_imine
type: substructure
has parent: aryl_imine

selenol
type: substructure
has parent: Se-containing_group

terminal_alkenyl
type: substructure
has parent: alkenyl

tertiary_carbon_carboxylate
type: substructure
has parent: alkyl_carboxylate

vicinal_dienol
type: substructure
has parent: enol

vicinal_diketone
type: substructure
has parent: ketone

vicinal_diol
type: substructure
has parent: diol