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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
chromene +     
(+)-microdiplodiasone 
(-)-dihydroedulan II 
(-)-noscapine  
(-)-noscapine hemiacetal +   
(1R,4R,5R,8S)-8-hydroxy-4,8-dimethyl-2-oxabicyclo[3.3.1]nonan-3-one 
(3S,9aR)-3-benzyl-3,6,7,8,9,9a-hexahydro-2H-pyrido[1,2-a]pyrazine-1,4-dione 
(6R)-6-(\{[1-(3-hydroxypropyl)-1,7-dihydroquinolin-7-yl]oxy\}methyl)-1-(4-\{3-[(2-methoxybenzyl)oxy]propoxy\}phenyl)piperazin-2-one 
(6R,7S,9S)-2-imino-7,9-dimethyl-1,3-diazaspiro[5.5]undecan-4-one 
(9S,11R)-12,12-dimethylspiro[1,7-diazatricyclo[7.5.0.03,7]tetradeca-3,13-diene-11,2'-1H-indole]-2,3',8-trione 
(E)-1-hydroxy-2-(non-1-en-1-yl)quinolin-4-one 
1,4-Dihydrothieno[3,2-d]pyrimidin-4-one 
1-(2-furanylmethyl)-7,7-dimethyl-2-(4-methylphenyl)-5,8-dihydropyrano[4,3-d]pyrimidine-4-thione 
1-(4,7-dimethylpyrazolo[5,1-c][1,2,4]triazin-3-yl)ethan-1-one 
1-[(4-fluorophenyl)methyl]-3-(2-furanylmethyl)-4-imino-6,6-dimethyl-5,8-dihydropyrano[2,3]thieno[2,4-b]pyrimidin-2-one 
1-[(4As,5R,7S,8aR)-5-[[(1S,5S,9S,11R,13S,17R)-11,14-dimethyl-6,14-diazatetracyclo[7.6.2.02,7.013,17]heptadec-6-en-5-yl]methyl]-7-methyl-3,4,4a,5,6,7,8,8a-octahydro-2H-quinolin-1-yl]ethanone 
1-[2-(diethylamino)ethyl]-7,7-dimethyl-2-(4-methylphenyl)-5,8-dihydropyrano[4,3-d]pyrimidine-4-thione 
1-[4-[[2-(2-amino-5-pyrimidinyl)-7-methyl-4-(4-morpholinyl)-6-thieno[3,2-d]pyrimidinyl]methyl]-1-piperazinyl]-2-hydroxy-1-propanone 
1-epi-tatridin B 
1-O-acetyl-4R,6S-britannilactone 
1-oxo-2-benzothiopyran-3-carboxylic acid methyl ester 
14-dihydroxycornestin 
17a-Aza-D-homoandrost-5-en-3beta-ol 
2,4-dimethyl-6-[(2,4,5-trifluorophenyl)methyl]-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
2,4-dimethyl-6-phenyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
2,5-dimethyl-4-(4-methyl-1-piperidinyl)-6-thieno[2,3-d]pyrimidinecarboxylic acid 
2,5-dimethyl-4-[[2-oxo-2-(4-phenylbutan-2-ylamino)ethyl]thio]-6-thieno[2,3-d]pyrimidinecarboxylic acid ethyl ester 
2,5-dioxo-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine-3-carboxylic acid 
2,6,7,8-tetrahydrocyclopenta[2,3]thieno[2,4-d]pyrimidin-1-one 
2-(1,3-benzodioxol-5-ylmethylthio)-5-(2-furanyl)-3-prop-2-enyl-4-thieno[2,3-d]pyrimidinone 
2-(1,3-dimethyl-2-benzimidazolylidene)-4-[(6-ethyl-4-thieno[2,3-d]pyrimidinyl)thio]-3-oxobutanenitrile 
2-(2-furanyl)-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one 
2-(2-furanyl)-5-[(2-methoxyphenyl)methylidene]-6-thiazolo[3,2-b][1,2,4]triazolone 
2-(3-methoxyphenyl)-3,5,6,7,8,9-hexahydrocyclohepta[2,3]thieno[2,4-b]pyrimidin-4-one 
2-(4-chlorophenyl)-5-methyl-4-oxo-2,3-dihydro-1H-thieno[3,4-d]pyrimidine-7-carboxylic acid ethyl ester 
2-(butylamino)-3-(3-chlorophenyl)-7-methyl-6,8-dihydro-5H-pyrido[2,3]thieno[2,4-b]pyrimidin-4-one 
2-[(2-cyclopropyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)thio]-N-(2-furanylmethyl)acetamide 
2-[(2-ethyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)thio]-N-(2-furanylmethyl)acetamide 
2-[(3,5-dimethyl-4-isoxazolyl)methylthio]-3-prop-2-enyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one 
2-[(3,5-dimethyl-4-isoxazolyl)methylthio]-3-prop-2-enyl-6,7,8,9-tetrahydro-5H-cyclohepta[2,3]thieno[2,4-b]pyrimidin-4-one 
2-[(3,6-dimethyl-4-oxo-2-thieno[2,3-d]pyrimidinyl)thio]-N-(4-methylphenyl)acetamide 
2-[(3-ethyl-6-methyl-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]-N-[5-(ethylthio)-1,3,4-thiadiazol-2-yl]acetamide 
2-[(3-ethyl-7-methyl-4-oxo-6,8-dihydro-5H-pyrido[2,3]thieno[2,4-b]pyrimidin-2-yl)thio]-N-(2-phenylethyl)acetamide 
2-[(4-amino-7-tert-butyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl)thio]acetic acid 
2-[(5,6-dimethyl-2-propyl-4-thieno[2,3-d]pyrimidinyl)thio]-1-(2-methyl-2,3-dihydroindol-1-yl)ethanone 
2-[(5,6-dimethyl-4-oxo-3-phenyl-2-thieno[2,3-d]pyrimidinyl)thio]-N-(2-furanylmethyl)acetamide 
2-[(5,6-dimethyl-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl)thio]-N-(4-methyl-2-thiazolyl)acetamide 
2-[(5,6-dimethyl-4-thieno[2,3-d]pyrimidinyl)amino]-1-(4-nitrophenyl)ethanol 
2-[(7-methyl-4-oxo-3-phenyl-6,8-dihydro-5H-pyrido[2,3]thieno[2,4-b]pyrimidin-2-yl)thio]acetic acid methyl ester 
2-[2,4-dioxo-3-(2-phenylethyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-1-yl]acetamide 
2-[2-(dimethylamino)ethylthio]-6,6-dimethyl-5,8-dihydropyrano[4,5]thieno[1,2-c]pyrimidin-4-amine 
2-[3-(2-furanylmethyl)-2,4-dioxo-6,7,8,9-tetrahydro-5H-cyclohepta[2,3]thieno[2,4-b]pyrimidin-1-yl]acetamide 
2-[3-(2-furanylmethyl)-4-imino-6,6-dimethyl-2-oxo-5,8-dihydropyrano[2,3]thieno[2,4-b]pyrimidin-1-yl]-N-phenylacetamide 
2-[5-(3,4-dimethylphenyl)-4-oxo-3-thieno[2,3-d]pyrimidinyl]acetonitrile 
2-[[(1-ethyl-2-benzimidazolyl)thio]methyl]-5-methyl-4-oxo-3H-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester 
2-[[(2-chlorophenyl)thio]methyl]-5-methyl-4-oxo-3H-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester 
2-[[(6-methyl-5-oxo-2H-1,2,4-triazin-3-yl)thio]methyl]-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one 
2-[[2-(3,5-dimethyl-1-pyrazolyl)-6,6-dimethyl-5,8-dihydropyrano[2,3]thieno[2,4-b]pyrimidin-4-yl]thio]-N-(2-thiazolyl)acetamide 
2-[[3-(2-methoxyethyl)-6-methyl-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]-N-(2-oxolanylmethyl)acetamide 
2-[[3-(4-methoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]acetic acid ethyl ester 
2-[[3-(4-methylphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]-N-(2-thiazolyl)acetamide 
2-[[3-[2-(diethylamino)ethyl]-4-oxo-[1]benzothiolo[3,2-d]pyrimidin-2-yl]thio]-N-(phenylmethyl)acetamide 
2-[[3-[2-(dimethylamino)ethyl]-4-oxo-[1]benzothiolo[3,2-d]pyrimidin-2-yl]thio]-N-(3-methoxyphenyl)acetamide 
2-[[5-(4-methylphenyl)-3-thiazolo[2,3-c][1,2,4]triazolyl]thio]-N-(6-methyl-2-pyridinyl)acetamide 
2-[[6,6-dimethyl-2-(propan-2-ylthio)-5,8-dihydropyrano[2,3]thieno[2,4-b]pyrimidin-4-yl]thio]-N-(2-furanylmethyl)acetamide 
2-[[[2-[(5-methoxycarbonyl-2-furanyl)methoxy]-2-oxoethyl]thio]methyl]-5-methyl-4-oxo-3H-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester 
2-[[[4-cyclohexyl-5-(thiophen-2-ylmethyl)-1,2,4-triazol-3-yl]thio]methyl]-5,6-dimethyl-3H-thieno[2,3-d]pyrimidin-4-one 
2-bromo-6-[(2,4-difluorophenyl)methyl]-4-methyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
2-bromo-6-[(2-chloro-6-fluorophenyl)methyl]-4-methyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
2-chloro-N-(2-ethyl-4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-3-yl)acetamide 
2-furanyl-[4-[(6-hydroxy-2-methyl-5-thiazolo[3,2-b][1,2,4]triazolyl)-thiophen-2-ylmethyl]-1-piperazinyl]methanone 
2-methyl-1,2,3,4,10,14b-hexahydropyrazino[2,1-a]pyrido[2,3-c][2]benzazepin-8-yl L-glucopyranosiduronic acid 
2-methyl-4-[2-oxo-2-(2-phenylethylamino)ethyl]-5-thieno[3,2-b]pyrrolecarboxylic acid ethyl ester 
2-methyl-5-(5-methyl-2-furanyl)-3-(1-pyrrolyl)-4-thieno[2,3-d]pyrimidinone 
2H-chromene +   
A simplest member of the class of chromene in which the heterocyclic pyran ring has a double bond between positions 3 and 4.
3,4-epoxy-1-cyclohexene 
3,5-dimethyl-4-[[(5-phenyl-3-thiazolo[2,3-c][1,2,4]triazolyl)thio]methyl]isoxazole 
3,7-dimethyl-2-(methylthio)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one 
3,8-dimethyl-4-oxo-7,8,9,10-tetrahydro-6H-thieno[1,2]pyrimido[4,5-a]azepine-2-carboxylic acid ethyl ester 
3,N(4)-ethenocytosine  
3-(2,4-dioxo-1H-thieno[3,2-d]pyrimidin-3-yl)-N-(3-fluoro-4-methylphenyl)propanamide 
3-(2-furanylmethyl)-5,6-dimethyl-2-[(3-methylphenyl)methylthio]-4-thieno[2,3-d]pyrimidinone 
3-(4-methoxyphenyl)-6-phenyl-4-thieno[2,3-d]pyrimidinone 
3-(phenylmethyl)-2-sulfanylidene-1H-thieno[3,2-d]pyrimidin-4-one 
3-[(2,5,6-trimethyl-4-thieno[2,3-d]pyrimidinyl)thio]-2-oxolanone 
3-[(2-aminoethyl)sulfanyl]-6-ethyl-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 
3-[(2-aminoethyl)sulfanyl]-6-methyl-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 
3-[(2-aminoethyl)sulfanyl]-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 
3-[(4-methoxyphenyl)methylideneamino]-2,5,6-trimethyl-4-thieno[2,3-d]pyrimidinone 
3-[(dimethylamino)methylene]-1H-2-benzothiopyran-4(3H)-one 
3-[[2-(3,5-dimethyl-1-pyrazolyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl]amino]-1-propanol 
3-amino-2-(4-methylphenyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one 
3-cyclohexyl-2-hydrazinyl-7-(phenylmethyl)-6,8-dihydro-5H-pyrido[2,3]thieno[2,4-b]pyrimidin-4-one 
3-ethyl-5-methyl-4-oxo-6-thieno[2,3-d]pyrimidinecarboxylic acid 
3-methyl-6-thiophen-2-yl-4-isoxazolo[5,4-b]pyridinecarboxylic acid ethyl ester 
3-methyl-N-[(4-methylphenyl)methyl]-7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-amine 
3-prop-2-enyl-2-sulfanylidene-5,6,7,8-tetrahydro-1H-[1]benzothiolo[2,3-d]pyrimidin-4-one 
4,5,6,7-tetrachloro-2-benzofuran-1(3H)-one 
4,5-dimethyl-2-[[2-(6-methyl-4-oxo-5-phenyl-3-thieno[2,3-d]pyrimidinyl)-1-oxoethyl]amino]-3-thiophenecarboxylic acid ethyl ester 
4,7-dimethylpyrazolo[5,1-c][1,2,4]triazine-3-carbonitrile 
4-(1-benzimidazolyl)-5-(4-methylphenyl)thieno[2,3-d]pyrimidine 
4-(1-benzotriazolyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine 
4-(4-methoxyanilino)-2,5-dimethyl-6-thieno[2,3-d]pyrimidinecarboxylic acid ethyl ester 
4-(4-phenoxy-1-piperidinyl)thieno[2,3-d]pyrimidine 
4-(5,6-dimethyl-1-benzimidazolyl)-5-phenylthieno[2,3-d]pyrimidine 
4-(7-methyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)morpholine 
4-[(7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-ylhydrazo)methylidene]-2-methoxy-1-cyclohexa-2,5-dienone 
4-[1-oxo-6-(4-oxo-2-sulfanylidene-1H-thieno[3,2-d]pyrimidin-3-yl)hexyl]-1-piperazinecarboxylic acid ethyl ester 
4-[2-[(2-ethoxy-2-oxoethyl)thio]-4-oxo-3-thieno[3,2-d]pyrimidinyl]-1-piperidinecarboxylic acid ethyl ester 
4-[2-[(4-fluorophenyl)methylamino]-2-oxoethyl]-2-methyl-5-thieno[3,2-b]pyrrolecarboxylic acid ethyl ester 
4-[3-(2,4-dioxo-1H-thieno[3,2-d]pyrimidin-3-yl)-1-oxopropyl]-1-piperazinecarboxylic acid ethyl ester 
4-[[2-(dimethylamino)-2-thiophen-2-ylethyl]amino]-5-methyl-6-thieno[2,3-d]pyrimidinecarboxylic acid ethyl ester 
4-[[2-[(1,1-dioxo-3-thiolanyl)amino]-2-oxoethyl]thio]-2,5-dimethyl-6-thieno[2,3-d]pyrimidinecarboxylic acid ethyl ester 
4-[[5-(4-fluorophenyl)-3-methyl-4-oxo-2-thieno[2,3-d]pyrimidinyl]thio]-2-(1-iminoethyl)-3-oxobutanenitrile 
4-amino-7,8,9,10-tetrahydro-6H-pyrimido[3,4]pyrrolo[3,5-a]azepine-11-carbonitrile 
4-Chlorothieno[2,3-d]pyrimidine 
4-ethoxy-7,9-dimethylpyrido[3',2':4,5]thieno[3,2-d]pyrimidine 
4-methoxybenzaldehyde n-[6-(tert-butyl)thieno[3,2-d]pyrimidin-4-yl]hydrazone 
4-Methyl-4H-thieno[3,2-b]pyrrole-5-carboxylic acid 
4-methyl-5-thieno[3,2-b]pyrrolecarboxylic acid [1-oxo-1-(2-phenylethylamino)propan-2-yl] ester 
4-methyl-5-thieno[3,2-b]pyrrolecarboxylic acid [2-oxo-2-(thiophen-2-ylmethylamino)ethyl] ester 
4-sulfanylidene-1,6,7,8,9,10-hexahydropyrimido[3,4]pyrrolo[3,5-a]azepine-11-carbonitrile 
4H-chromene +   
5,6-dimethyl-2-(prop-2-enylthio)-4-thieno[2,3-d]pyrimidinamine 
5,6-dimethyl-N-(3-pyridinylmethyl)-4-thieno[2,3-d]pyrimidinamine 
5,6-dimethyl-N-(thiophen-2-ylmethyl)-4-thieno[2,3-d]pyrimidinamine 
5,6-dimethyl-N-[2-methyl-2-(4-morpholinyl)propyl]-4-thieno[2,3-d]pyrimidinamine 
5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine 
5-(2-chlorophenyl)-2-(2-pyridinylmethyl)-3H-thieno[2,3-d]pyrimidin-4-one 
5-(4-chlorophenyl)-3-[(5-nitro-6-oxo-1-cyclohexa-2,4-dienylidene)methylamino]-4-thieno[2,3-d]pyrimidinone 
5-(4-chlorophenyl)-3H-thieno[2,3-d]pyrimidine-4-thione 
5-[2-furanyl(4-morpholinyl)methyl]-2-methyl-6-thiazolo[3,2-b][1,2,4]triazolol 
5-[2-furanyl(4-morpholinyl)methyl]-6-thiazolo[3,2-b][1,2,4]triazolol 
5-[[(5,6-dimethyl-4-thieno[2,3-d]pyrimidinyl)thio]methyl]-2-furancarboxylic acid methyl ester 
5-hydroxy-7-prop-2-en-(E)-ylidene-7,7a-dihydro- 2H-cyclopenta[b]pyran-6-one 
5-hydroxy-7-prop-2-en-(Z)-ylidene-7,7a-dihydro- 2H-cyclopenta[b]pyran-6-one 
5-methyl-6-phenyl-3H-thieno[2,3-d]pyrimidine-4-thione 
6,6-dimethyl-5,8-dihydropyrano[4,5]thieno[1,2-c]pyrimidin-4-amine 
6-(2-amino-2-carboxyethyl)-7,8-dioxo-1,2,3,4,7,8-hexahydroquinoline-2,4-dicarboxylic acid 
6-(tert-butyl)thieno[3,2-d]pyrimidin-4(3H)-one 
6-[(2,4-difluorophenyl)methyl]-2,4-dimethyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(2,5-difluorophenyl)methyl]-2,4-dimethyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(2-fluorophenyl)methyl]-2,4-dimethyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(2-fluorophenyl)methyl]-2-(1-hydroxyethyl)-4-methyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(3-aminophenyl)methyl]-4-methyl-2-methylsulfinyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(3-methoxyphenyl)methyl]-4-methyl-2-methylsulfinyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(4-fluorophenyl)methyl]-5,7-dimethyl-2H-pyrrolo[3,4-d]pyridazin-1-one 
6-[(6-chloro-2-fluoro-3-methylphenyl)methyl]-2,4-dimethyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-ethyl-2-methyl-N-(phenylmethyl)-4-thieno[2,3-d]pyrimidinamine 
6-ethyl-6-methyl-5,8-dihydro-1H-thiopyrano[2,3]thieno[2,4-b]pyrimidine-2,4-dione 
6-methyl-2,3,4,5-tetrahydro-1H-azepino[4,5-b]indole 
7'-amino-1',3'-dimethyl-2,2',4'-trioxo-6'-spiro[1H-indole-3,5'-pyrano[2,3-d]pyrimidine]carbonitrile 
7,9-dimethyl-2-(phenylmethylthio)-1H-pyrido[2,3]thieno[2,4-b]pyrimidin-4-one 
7-amino-5-(4-ethoxy-3-methoxyphenyl)-4-oxo-3,5-dihydropyrano[2,3-d]pyrimidine-6-carbonitrile 
7-ethyl-7-methyl-2-sulfanylidene-6,9-dihydro-1H-pyrano[2,3]thieno[2,4-b]pyrimidin-4-one 
7-methyl-2-(trifluoromethyl)-6H-pyrazolo[1,5-a][1,3,5]triazin-4-one 
7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one 
8-hydroxymirtazapine 
9-(dimethylamino)-3-(4-methoxyphenyl)-4-pyrido[1,2]thieno[3,4-d]pyrimidinone 
[1-(4-thieno[2,3-d]pyrimidinyl)-4-piperidinyl]-thiophen-2-ylmethanone 
[5,6-dimethyl-3-(pyridin-4-ylmethyl)-2,4-dihydrothieno[2,3-d]pyrimidin-1-yl]-(2-furanyl)methanone 
allopurinol +   
alpha-bradyrhizose 
apramycin 
ascaridole  
asukamycin 
aurachin C +  
Austamide 
azabicycloalkane +   
azabicyclohexane +  
benzazepine +   
benzazocine +   
benzimidazoles +   
benzo[d]isothiazol-3-one  
benzodioxine +   
benzodioxoles +   
benzopyrrole +   
benzoselenazole +   
benzothiadiazole +   
benzothiazepine +   
benzothiazine +   
benzothiazoles +   
benzothiophenes +   
benzotriazoles +   
benzoxaborole +  
benzoxadiazole +   
benzoxathiin +  
benzoxathiine +  
benzoxathiole +   
benzoxazine +   
benzoxazocine +   
benzoxazole +   
bicyclic nitroimidazole +  
Bioxalomycin alpha1 
Bioxalomycin alpha2 
Bipolamine D 
Bipolamine E 
Bipolamine F 
Bipolamine G 
Bipolamine H 
Bipolamine I 
Burnettramic acid A aglycone 
callophycoic acid F 
carbacephem +  
carbapenems +   
cephams +  
cephem +   
ceratamine A 
ceratamine B 
CJ-16,264 
clavaldehyde 
Curindolizine 
Curvulamine 
Cyanocycline C 
Cyclo-(D-Pipecolinyl-L-isoleucine) 
cycloheptafuran +  
cyclopentafuran +   
cyclopentapyran +   
cyclopentapyridine +   
cyclopentapyrimidine +  
cyclopentapyrrole +   
cyclopentathiazole +  
decahydroquinoline alkaloid +  
Deoxydihydro-artemisinin 
deoxylimonoic acid 
desacetyldoronine 
dibenzodioxine +   
dithiolopyrrole +  
ecgonone methyl ester 
ethyl 4-hydroxy-3-methylisoxazolo[5,4-b]pyridine-5-carboxylate 
ethyl 5-amino-1-thieno[2,3-d]pyrimidin-4-yl-1H-4-pyrazolecarboxylate 
FD-211 
FINO2 
floridanine 
florosenine 
FR177391 
Fumigatoside E 
furodioxole +  
furofuran +   
furopyran +   
furopyridine +  
furopyrimidine +  
furopyrrole +  
geldanamycin +   
Heronamide A 
Heronamide D 
Heteratisine 
imidazodiazepine +   
imidazooxazine +  
imidazopyrazine +   
imidazopyrazole +   
imidazopyridazine +   
imidazopyridine +   
imidazopyrimidine +   
imidazotetrazine +   
imidazothiadiazine +  
imidazothiazole +   
imidazotriazine +  
indazoles +   
indenopyrazole +  
indolizines +   
inuloxin A 
isariotin F 
isoaigialone B 
isocomplestatin 
Lasiodipline F 
Lepadin D 
longirostrerone B 
LSM-16990 
LSM-17286 
LSM-19637 
LSM-19776 
LSM-22688 
LSM-24412 
LSM-5894 
Luciduline 
luzonial A 
luzonial B 
LY 379268  
LY404039 
Malabetaezindole A 
Malabetaezindole B 
mancude organic heterobicyclic parent +   
manumycin A  
Marcfortine A 
Mirtazapine-N-oxide 
Mupirocin F2 
Mycalamide B 
N'-[6-(tert-butyl)thieno[3,2-d]pyrimidin-4-yl]-4-methylbenzohydrazide 
N,6-diphenylthieno[2,3-d]pyrimidin-4-amine 
N,N-dimethyl-N'-(2-methyl-4-oxo-6-phenyl-3-thieno[2,3-d]pyrimidinyl)methanimidamide 
N-(1,3-benzodioxol-5-yl)-2-[[3-(2-methoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]acetamide 
N-(1,3-benzodioxol-5-yl)-2-[[6-methyl-4-oxo-3-(phenylmethyl)-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]acetamide 
N-(1,3-benzodioxol-5-yl)-3-ethyl-5-methyl-4-oxo-6-thieno[2,3-d]pyrimidinecarboxamide 
N-(2-furanylmethyl)-2-(4-oxo-6-phenyl-3-thieno[2,3-d]pyrimidinyl)acetamide 
N-(2-furanylmethyl)-2-(6,7,8,9-tetrahydro-5H-cyclohepta[2,3]thieno[2,4-d]pyrimidin-4-ylthio)acetamide 
N-(2-furanylmethyl)-2-[[4-oxo-3-[3-(1-pyrrolidinyl)propyl]-[1]benzothiolo[3,2-d]pyrimidin-2-yl]thio]acetamide 
N-(2-furanylmethyl)-3-methyl-7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-amine 
N-(3-hydroxypropyl)-4-[(1-oxo-2,6,7,8-tetrahydrocyclopenta[2,3]thieno[2,4-b]pyrimidin-3-yl)thio]butanamide 
N-(4-bromophenyl)-3,4,5,6-tetrahydrophthalimide 
N-(4-chlorophenyl)-2-[3-(2-furanylmethyl)-4-imino-6,6-dimethyl-2-oxo-5,8-dihydropyrano[2,3]thieno[2,4-b]pyrimidin-1-yl]acetamide 
N-(4-ethoxyphenyl)-2-[(6-phenyl-4-thieno[2,3-d]pyrimidinyl)thio]propanamide 
N-(5-chloro-2-methoxyphenyl)-2-[[3-(2-methoxyethyl)-6-methyl-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]acetamide 
N-(5-methyl-3-isoxazolyl)-2-[(6-methyl-4-oxo-3-phenyl-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]acetamide 
N-(6-methyl-1,3-benzothiazol-2-yl)-2-[(4-oxo-3-phenyl-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]acetamide 
N-[(1S)-2-(dimethylamino)-1-phenylethyl]-6,6-dimethyl-3-[(2-methyl-4-thieno[3,2-d]pyrimidinyl)amino]-1,4-dihydropyrrolo[3,4-c]pyrazole-5-carboxamide 
N-[(4-chlorophenyl)methoxy]-N'-(4-thieno[2,3-d]pyrimidinyl)methanimidamide 
N-[2-(3,4-diethoxyphenyl)ethyl]-4-(phenylmethyl)-5-thieno[3,2-b]pyrrolecarboxamide 
N-[2-(3,4-diethoxyphenyl)ethyl]-4-[(3-methylphenyl)methyl]-5-thieno[3,2-b]pyrrolecarboxamide 
N-[3-(3,5-dimethyl-1-piperidinyl)propyl]-1-(9-fluoro-[1]benzothiolo[3,2-d]pyrimidin-4-yl)-4-piperidinecarboxamide 
N-[3-[butyl(ethyl)amino]propyl]-1-(9-fluoro-[1]benzothiolo[3,2-d]pyrimidin-4-yl)-4-piperidinecarboxamide 
N-[5-(ethylthio)-1,3,4-thiadiazol-2-yl]-2-[[3-(2-methoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]acetamide 
N-[6-ethyl-6-methyl-2-(methylthio)-5,8-dihydropyrano[4,5]thieno[1,2-c]pyrimidin-4-yl]-N',N'-dimethylethane-1,2-diamine 
N-[[4-(dimethylamino)phenyl]methyl]-3-ethyl-N-(2-furanylmethyl)-5-methyl-4-oxo-6-thieno[2,3-d]pyrimidinecarboxamide 
N-cyclohexyl-6-methyl-4-thieno[2,3-d]pyrimidinamine 
N-cyclohexyl-N,4-dimethyl-5-thieno[3,2-b]pyrrolecarboxamide 
N-pyridin-4-yl-7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-amine 
N4-isopropyl-7-methylthieno[3,2-d]pyrimidin-4-amine 
naphthyridine +   
naphthyridine derivative +   
nelfinavir  
nepetaside 
Nocarazepine A 
NSC695576 
onetine +  
otosenine +   
oxabicycloalkane +   
oxacephem +  
oxazinooxazine +  
oxazolopyrazine +  
oxazolopyridine +   
oxazolopyrimidine +  
peloruside A 
penams +   
Penibruguieramine A 
pentetrazol  
perindopril  
perindoprilat 
PF1018 
Phlegmarine 
phthalazines +   
PI3-Kinase alpha Inhibitor 2 
pilsicainide 
plakortolide K 
plakortolide L 
plakortolide M 
plakortolide N 
plakortolide O 
plakortolide P 
plakortolide Q 
plakortolide R 
plakortolide S 
plakortone L 
plakortone N 
plakortone P 
pteridines +   
pyranopyran +  
pyranopyrazole +  
pyranopyridine +  
pyranopyrrole +  
pyranothiazole +  
pyrazolooxadiazepine +  
pyrazolopyrazole +   
pyrazolopyridazine +  
pyrazolopyridine +   
pyrazolopyrimidine +   
pyrazolotriazine +  
pyrazolotriazole +  
Pyreudione C 
pyridazinodiazepine +   
pyridopyrazine +  
pyridopyrimidine +   
pyrimidodiazepine +  
pyrimidopyridazine +   
pyrimidopyrimidine +   
pyrimidotriazine +  
Pyrrolam B 
pyrrolidinopiperidine +   
pyrrolizidine +   
pyrrolizines +   
pyrroloimidazole +  
pyrrolopyrazine +   
pyrrolopyrazole +   
pyrrolopyridine +   
pyrrolopyrimidine +   
pyrrolotriazine +   
quinazolines +   
quinolizines +   
quinuclidines +   
retaspimycin 
salinosporamide A 
Sartorymensin 
saturated organic heterobicyclic parent +   
Schizonepetoside B 
sideretin (oxidized form) 
SM-164  
spiruchostatin +   
spiruchostatin B  
streptolydigin 
tanespimycin  
tatridin A 
tatridin B 
tetrazolopyridine +  
Theopederin D 
thiabicycloalkane +   
thiadiazolopyridazine +  
thiazolopyridine +  
thiazolopyrimidine +   
thienoimidazole +  
thienopyran +  
thienopyridine +   
thienopyrimidine +  
thienothiazine +   
thienothiophene +  
thiochromane +   
thiopyranopyrimidine +   
thiotropocin 
trandolapril  
trandolaprilat +   
triazolopyrazine +  
triazolopyridazine +  
triazolopyridine +   
triazolopyrimidines +   
triazolothiadiazole +  
tropodithietic acid 
U69593  
UCS1025A 
UCS1025B 
Verruculotoxin 

Synonyms
Related Synonyms: 1,2-benzopyran ;   2H-1-benzopyran ;   3-chromene ;   Delta-3-chromene ;   Formula=C9H8O ;   InChI=1S/C9H8O/c1-2-6-9-8(4-1)5-3-7-10-9/h1-6H,7H2 ;   InChIKey=KYNSBQPICQTCGU-UHFFFAOYSA-N ;   SMILES=C1Oc2ccccc2C=C1
Xrefs: Beilstein:109871 ;   CAS:254-04-6
Cyclic Relationships: is_tautomer_of CHEBI:35603

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