Send us a Message



Submit Data |  Help |  Video Tutorials |  News |  Publications |  Download |  REST API |  Citing RGD |  Contact   

Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
pyrimidone +     
(2S)-2-amino-N'-[(4-methyl-2,6-dioxo-5-pyrimidinylidene)methyl]propanehydrazide 
(2S)-N-[(1S,3S,4S)-1-benzyl-4-\{[(2,6-dimethylphenoxy)acetyl]amino\}-3-hydroxy-5-phenylpentyl]-3-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)butanamide 
(4S)-4-\{[(5-amino-6-oxo-2-thiophen-2-ylpyrimidin-1(6H)-yl)acetyl]amino\}-2,2-difluoro-5-methyl-N-(2-morpholin-4-ylethyl)-3-oxohexanamide 
(4S)-4-hydroxy-3,4-dihydropyrimidin-2(1H)-one 
(4S)-5-fluoro-4-hydroxy-3,4-dihydropyrimidin-2(1H)-one 
(5S)-5,6-dihydro-5-iodopyrimidine-2,4(1H,3H)-dione 
(5S,6R)-5-fluoro-5,6-dihydro-6-hydroxypyrimidine-2,4(1H,3H)-dione 
(R)-5,6-Dihydrothymine 
(R)-7-\{[4-(6-oxo-1,6-dihydropyrimidin-4-yl)piperidin-1-yl]carbonyl\}-1,3-diazepane-2,4-dione 
1,3'-bis(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-amino-5-methyl-6-\{2-oxo-1,3-diazabicyclo[2.2.0]hex-4-en-6-yl\}-1,3-diazinane-2,4-dione 
1,3'-bis(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-6-(5,6-diamino-2-oxo-2,3,4,5-tetrahydropyrimidin-4-yl)-1,3-diazabicyclo[2.2.0]hex-4-en-2-one 
1,3'-bis(2-deoxy-beta-D-erythro-pentofuranosyl)-5-amino-5-methyl-6-\{2-oxo-1,3-diazabicyclo[2.2.0]hex-4-en-6-yl\}-1,3-diazinane-2,4-dione 
1,3'-bis(2-deoxy-beta-D-erythro-pentofuranosyl)-6-(5,6-diamino-2-oxo-2,3,4,5-tetrahydropyrimidin-4-yl)-1,3-diazabicyclo[2.2.0]hex-4-en-2-one 
1,3-dimethyl-6-[2-(thiophen-2-ylmethylidene)hydrazinyl]pyrimidine-2,4-dione 
1,3-dimethyluracil 
1-(ethoxymethyl)-5-isopropyl-6-(phenylsulfanyl)uracil 
1-[(1S,2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)bicyclo[3.1.0]hexan-2-yl]thymine 
1-[(1S,3S,4R,5S)-3-hydroxy-4-(hydroxymethyl)bicyclo[3.1.0]hexan-1-yl]thymine 
1-[(2-hydroxyethoxy)methyl]-5-(phenylsulfanyl)pyrimidine-2,4(1H,3H)-dione 
1-[(2-hydroxyethoxy)methyl]-6-(phenylsulfanyl)thymine 
1-[(4-methylphenyl)methyl]-1,3-diazinan-2-one 
1-[6-amino-2,4-dioxo-1-(phenylmethyl)-5-pyrimidinyl]-3-butyl-1-ethylurea 
1-methyl-4-prop-2-enoxy-2-pyrimidinone 
1-methylcytosine 
1-methyluracil 
2,4-Dioxo-1,2,3,4-tetrahydro-5-pyrimidinediazonium 
2,5-diamino-6-(1-D-ribitylamino)pyrimidin-4(3H)-one 5'-phosphate(2-) 
2,5-diamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate 
2,5-diamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate(2-) 
2,5-diamino-6-(5-phosphono)ribitylamino-4(3H)-pyrimidinone 
2,5-diamino-6-(5-triphosphoryl-3,4-trihydroxy-2-oxopentyl)amino-4-oxopyrimidine 
2,5-diamino-6-ribosylamino-4(3H)pyrimidinone 5'-triphosphate 
2-(2,4-dioxo-1H-pyrimidin-6-yl)-N-[2-(4-morpholinyl)ethyl]acetamide 
2-(\{3-[(2S)-2-amino-2-carboxyethyl]-2,6-dioxo-3,6-dihydropyrimidin-1(2H)-yl\}methyl)benzoic acid 
2-(dimethylamino)-5,6-dimethylpyrimidin-4-ol 
2-[2-(4-aminophenyl)-5-[(methylsulfonyl)amino]-6-oxopyrimidin-1(6H)-yl]-N-[(1S)-3,3,3-trifluoro-1-(1-methylethyl)-2-oxopropyl]acetamide 
2-[5-(benzylamino)-2-(methylsulfanyl)-6-oxopyrimidin-1(6H)-yl]-N-[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]acetamide 
2-[5-amino-2-(3-methylphenyl)-6-oxopyrimidin-1(6H)-yl]-N-[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]acetamide 
2-[5-amino-6-oxo-2-phenylpyrimidin-1(6H)-yl]-N-\{(1S)-1-[(S)-(5-tert-butyl-1,3,4-oxadiazol-2-yl)(hydroxy)methyl]-2-methylpropyl\}acetamide 
2-[6-(methoxymethyl)-4-oxo-1H-pyrimidin-2-yl]-1-(4-methylphenyl)guanidine 
2-amino-4-hydroxypyrimidine +  
2-amino-5-formylamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate 
2-amino-5-formylamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate(2-) 
2-amino-6-methylpyrimidin-4(3H)-one 
2-diethylamino-6-methylpyrimidin-4(1H)-one +   
2-isopropyl-6-methyl-4-pyrimidinone 
2-methylfervenulone 
2-oxo-1,2,3,6-tetrahydropyrimidine-4,6-dicarboxylic acid 
3'-deoxy-3',4'-didehydro-CTP 
3'-deoxy-3',4'-didehydro-cytidine +  
3'-Oxopentobarbitone 
3,4-dihydrozebularine 
3,5-dimethyluracil 
3-(6-methyl-4-oxo-2-sulfanylidene-1H-pyrimidin-5-yl)propanoic acid methyl ester 
3-(\{3-[(2S)-2-amino-2-carboxyethyl]-5-methyl-2,6-dioxo-3,6-dihydropyrimidin-1(2H)-yl\}methyl)thiophene-2-carboxylic acid 
3-ethylcytosine 
3-methylcytosine 
3-methyluracil 
4-(5,6-diamino-2-oxo-2,3,4,5-tetrahydropyrimidin-4-yl)-1,2-dihydropyrimidin-2-one 
4-(6-chloro-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)butyl dihydrogen phosphate 
4-amino-1-(2-furylmethyl)-6-hydroxy-1,2-dihydropyrimidine-2-thione 
4-amino-1-[2,5-anhydro-4-(hydroxymethyl)-alpha-L-lyxofuranosyl]-5-methylcytosine 
4-amino-5-hydroxy-6-(5-methyl-2-oxo-1,2,3,4-tetrahydropyrimidin-4-yl)-2,5-dihydropyrimidin-2-one 
5',6'-diamino-1,3'-bis(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4',5'-dihydro[4,4'-bipyrimidine]-2,2'(1H,3'H)-dione 
5',6'-diamino-1,3'-bis(2-deoxy-beta-D-erythro-pentofuranosyl)-4',5'-dihydro[4,4'-bipyrimidine]-2,2'(1H,3'H)-dione 
5,6-diaminouracil 
5,6-Dihydro-5-fluorouracil 
5,6-dihydrothymine 
5,6-dihydrouracil 
5,6-dihydroxyuracil 
5-(4,5-dihydroxypentyl)uracil 
5-(4-phenoxyphenyl)-5-(4-pyrimidin-2-ylpiperazin-1-yl)pyrimidine-2,4,6(2H,3H)-trione 
5-(beta-D-glucosylmethyl)cytosine 
5-(hydroxymethyl)cytosine +   
5-(Trideuteriomethyl)-1H-pyrimidine-2,4-dione 
5-amino-5-(4-hydroxybenzyl)-6-(D-ribitylimino)-5,6-dihydrouracil 
5-amino-5-methyl-6-\{2-oxo-1,3-diazabicyclo[2.2.0]hex-4-en-6-yl\}-1,3-diazinane-2,4-dione 
5-benzyl-1-(2-hydroxyethoxymethyl)uracil  
5-bromo-3-(butan-2-yl)-6-methylpyrimidine-2,4(1H,3H)-dione +   
5-carboxycytosine 
5-ethyl-1-[4-hydroxy-3-(hydroxymethyl)-2-oxolanyl]pyrimidine-2,4-dione 
5-fluoro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid 
5-formylcytosine 
5-formyluracil 
5-Hydroxydihydro-2,4(1H,3H)-pyrimidinedione 
5-Hydroxymethyl-4-methyluracil 
5-hydroxymethyluracil +  
5-Methylcytosine hydrochloride 
5alpha-dihydrodeoxycorticosterone 
6'-amino-1,3'-bis(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5'-hydroxy-5-methyl-3,4-dihydro[4,4'-bipyrimidine]-2,2'(1H,3'H)-dione 
6'-amino-1,3'-bis(2-deoxy-beta-D-erythro-pentofuranosyl)-5'-hydroxy-5-methyl-3,4-dihydro[4,4'-bipyrimidine]-2,2'(1H,3'H)-dione 
6-(1,3-dihydroxyisobutyl)thymine 
6-(3,5-dimethylbenzyl)-1-(ethoxymethyl)-5-isopropyluracil 
6-(3-hydroxypropyl)thymine 
6-(5,6-diamino-2-oxo-2,3,4,5-tetrahydropyrimidin-4-yl)-1,3-diazabicyclo[2.2.0]hex-4-en-2-one 
6-(cyclohexylamino)-3-methyl-5-nitroso-1H-pyrimidine-2,4-dione 
6-[(1,2-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1,3-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1,4-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1,5-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1-deoxy-D-ribityl)methyl]-5-[(1E)-3-oxobut-1-en-1-yl]uracil 
6-[(2-hydroxyethyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(3-hydroxypropyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(4-hydroxybutyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(5-hydroxypentyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[4-amino-4-hydroxy-2-oxo-3,4-dihydropyrimidin-1(2H)-yl]-3-[3-amino-5-(N-methylguanidino)pentanoylamino]-3,6-dihydro-2H-pyran-2-carboxylic acid 
6-\{[(4R,5R)-4-(hydroxymethyl)thymin-5-yl]methyl\}thymine 
6-amino-1-(2-methylphenyl)-1,2,3,4-tetrahydropyrimidine-2,4-dione 
6-amino-1-(4-chlorophenyl)-2-oxo-4-(1,2,4-triazol-1-ylmethyl)-5-pyrimidinecarbonitrile 
6-amino-5-(butylamino)-1-propylpyrimidine-2,4-dione 
6-amino-5-(methylamino)-1-(phenylmethyl)pyrimidine-2,4-dione 
6-amino-5[N-methylformylamino]-1-methyluracil 
6-aminouracil 
6-benzyl-1-(benzyloxymethyl)-5-isopropyluracil 
6-cyclohexylsulfanyl-1-ethoxymethyl-5-isopropyluracil 
6-methyl-2-[2-[(3-methyl-2-thiophenyl)methylidene]hydrazinyl]-1H-pyrimidin-4-one 
6-methyl-5-[(1E)-3-oxobut-1-en-1-yl]uracil 
6-methyluracil 
7-epi-cylindrospermopsin 
[(1R,2S,4R)-4-\{[2-amino-5-(formylamino)-6-oxo-3,6-dihydropyrimidin-4-yl]amino\}-2-hydroxycyclopentyl]methyl dihydrogen phosphate 
alloxan  
alpha-asarone 
alpha-putrescinylthymine 
aminometradine 
amisometradine 
antelmycin 
barbiturates +   
Members of the class of pyrimidones consisting of pyrimidine-2,4,6(1H,3H,5H)-trione (barbituric acid) and its derivatives. Largest group of the synthetic sedative/hypnotics, sharing a characteristic six-membered ring structure.
Barbituric acid, 5-ethyl-5-(2-hydroxyethyl)- 
benzodiazepine +   
benzylthiouracil 
beta-asarone 
Brevianamide O 
Brevianamide P 
brexanolone 
Chrysopiperazine A 
Chrysopiperazine B 
cidofovir anhydrous +   
cidofovir(2-) 
clobazam  
clonazepam  
clorazepic acid 
cylindrospermopsin  
cytosine +   
dasabuvir 
ddhCMP 
ddhGMP 
ddhGTP 
ddhUMP 
ddhUTP 
deoxycylindrospermopsin 
desferrialbomycins +  
dipotassium clorazepate 
donetidine 
emivirine 
emtricitabine +   
eniluracil 
epyrifenacil  
estazolam  
ethirimol  
flucytosine  
Gemcitabine triphosphate 
Hydroxypentobarbital 
Icotidine 
isoliquiritigenin +   
Janoxepin 
LSM-2826 
LSM-31955 
Methylthiouracil  
methylthymine +  
MMP-9-IN-1 
Myxofacycline E 
Myxofacycline F 
N(4)-acetylcytosine 
N(4)-methylcytosine 
N-(\{4-[(1R)-4-[(2R,4S,5S)-2,4-diamino-6-oxohexahydropyrimidin-5-yl]-1-(2,2,2-trifluoro-1,1-dihydroxyethyl)butyl]phenyl\}carbonyl)-L-glutamic acid 
N-(\{4-[(1S)-4-(2,4-diamino-6-hydroxypyrimidin-5-yl)-1-(2,2,2-trifluoro-1,1-dihydroxyethyl)butyl]phenyl\}carbonyl)-L-gamma-glutamyl-gamma-glutamyl-gamma-glutamyl-gamma-glutamylglutamic acid 
N-(\{4-[(1S)-4-(2,4-diamino-6-hydroxypyrimidin-5-yl)-1-(2,2,2-trifluoro-1,1-dihydroxyethyl)butyl]phenyl\}carbonyl)-L-gamma-glutamyl-gamma-glutamylglutamic acid 
N-[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]-2-[2-(3,4-dichlorophenyl)-5-[(1-methylethyl)amino]-6-oxopyrimidin-1(6H)-yl]acetamide 
N-[(4-\{[3-(2,4-diamino-6-oxo-1,6-dihydropyrimidin-5-yl)propyl](2-[(4-phosphonooxybutyl)carbamoylmethylsulfanyl]acetyl)amino\}phenyl)carbonyl]-L-glutamic acid 
N-[(4-chlorophenyl)methyl]-2-(2,4-dioxo-1H-pyrimidin-6-yl)acetamide 
N-cyclohexyl-N-ethyl-1,3-dimethyl-2,4-dioxo-5-pyrimidinesulfonamide 
nimetazepam  
nitrazepam +   
nordazepam  
Oxepinamide A 
Oxepinamide B 
Oxepinamide C 
Oxepinamide D 
Oxepinamide H 
Oxepinamide I 
Oxepinamide J 
Oxepinamide K 
oxmetidine 
Phenobarbital-d5 
pinocarveol +  
primidone  
Protuboxepin C 
Protuboxepin D 
Protuboxepin F 
Protuboxepin G 
Pyranamide A 
Pyranamide B 
Pyranamide C 
Pyranamide D 
raltegravir 
S-3100-CA +   
secobarbital  
secobarbital sodium 
Secopyranamide C 
Sparoxomycin A1 
Sparoxomycin A2 
Streptcytosine H 
Taylorflavin A 
Temelastine 
Thiamylal sodium 
Thymidine-3',5'-cyclic monophosphate sodium salt 
thymine +   
tipiracil 
uracil +   
uracil octosyl acid 5'-phosphate 
Uracil-(2-13C) 
valerenic acid 
Varioloid B 
verruculogen +  
Versicomide D 
zuranolone 
 barbituric acid +   
 MP-PYT 
 phenobarbital +   
 thiamylal  

Synonyms
Related Synonyms: barbituric acids
Xref Mesh: MESH:D001463

paths to the root