Term Name: organonitrogen heterocyclic compound
Synonyms: heterocyclic organonitrogen compounds, organonitrogen heterocyclic compounds
Definition: Any organonitrogen compound containing a cyclic component with nitrogen and at least one other element as ring member atoms.
Ontology: ChEBI [CHEBI:38101]  ( EBI )

Relationships
is a type of: organic heterocyclic compound organonitrogen compound
has subtype: (-)-Tylocrebrine (-)-vincadifformine (1R,5R,6S,11S,12R,14R)-22-[(1S)-1-Hydroxyethyl]-6,16-dimethyl-10,19-dioxa-16-azahexacyclo[12.5.3.15,9.01,14.02,11.06,11]tricosa-2,21-diene-9,12-diol (2R)-1-[(4,8-dimethoxy-7-furo[2,3-b]quinolinyl)oxy]-3-methylbutane-2,3-diol (3S,4R,5S)-5-methyl-2,3-diphenyl-4-isoxazolidinecarboxylic acid (3S,9aR)-3-benzyl-3,6,7,8,9,9a-hexahydro-2H-pyrido[1,2-a]pyrazine-1,4-dione (4aS),( 10bS)-7-amino-3,4,4a,5,6,10b-hexahydro-2,4-dimethyl-6-oxobenzo[f]quinoline (6Ar,9S,10aR)-9-(methylsulfanylmethyl)-7-propyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline;methanesulfonic acid (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 (R)-homocamptothecin 1,3-bis(2-ethylhexyl)-5-methyl-1,3-diazinan-5-amine 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-[(6-methoxy-2-furo[2,3-b]quinolinyl)-oxomethyl]-4-piperidinecarboxylic acid ethyl ester 1-[2-(diethylamino)ethyl]-7,7-dimethyl-2-(4-methylphenyl)-5,8-dihydropyrano[4,3-d]pyrimidine-4-thione 1-[2-[4-(4-methoxyphenyl)piperazin-1-yl]ethyl]-N-methyl-3,4-dihydro-1H-isochromene-6-carboxamide 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-[4-amino-3-[2-(1-pyrrolidinyl)ethylthio]-5-thieno[2,3-c]isothiazolyl]ethanone 1-azakenpaullone 2,3-dihydro-8-methoxyfuro(2,3-b)quinoline 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 2,6,7,8-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-(1-hydroxyethyl)-3,4-dihydrobenzo[f][1,4]oxazepin-5(2H)-one 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-(Methylthio)-4-(3-pyridyl)pyrimidine 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-6-(1,4-thiazinan-4-yl)benzonitrile 2-chloro-N-(2-ethyl-4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-3-yl)acetamide 2-Dechloroethylifosfamide 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-2,3,4,5-tetrahydro-1,5-benzoxazepin-4-one 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 2-pyridin-4-yl-1H-quinazolin-4-one 2-sulfanyl-2,3-dihydro-1H-pyrimidin-4-one 3,4-dihydro-2H-pyrano[2,3-b]quinolin-7-yl-(4-methoxycyclohexyl)methanone 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-(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-(2-pyridinyl)-6-(2-pyridinylmethylthio)pyridazine 3-(4-methoxyphenyl)-6-phenyl-4-thieno[2,3-d]pyrimidinone 3-(phenylmethyl)-2-sulfanylidene-1H-thieno[3,2-d]pyrimidin-4-one 3-(Tert-butyl)-4,5-dihydro-1H-pyrazol-5-one 3-[(2,5,6-trimethyl-4-thieno[2,3-d]pyrimidinyl)thio]-2-oxolanone 3-[(4-methoxyphenyl)methylideneamino]-2,5,6-trimethyl-4-thieno[2,3-d]pyrimidinone 3-[(6aR,9R)-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-yl]-1,1-diethylurea 3-[(6aR,9R,10aR)-7-methyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline-9-yl]-1,1-diethylurea 3-[[2-(3,5-dimethyl-1-pyrazolyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl]amino]-1-propanol 3-[[2-(3-pyridinyl)-6-(1,2,4,5-tetrahydro-3-benzazepin-3-yl)-4-pyrimidinyl]amino]propanoic acid 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-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 4,11-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione 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-(2,6-dimethylphenoxy)-5-methoxy-2-(2-pyridinyl)pyrimidine 4-(2-chlorophenoxy)-2-(2-pyridinyl)-6-(trifluoromethyl)pyrimidine 4-(2-chlorophenoxy)-5-methoxy-2-(2-pyridinyl)pyrimidine 4-(4-methoxyanilino)-2,5-dimethyl-6-thieno[2,3-d]pyrimidinecarboxylic acid ethyl ester 4-(4-methyl-1-piperidinyl)-5-phenyl-2-(3-pyridinyl)thieno[2,3-d]pyrimidine 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-[(2,6-dichlorophenyl)thio]-5-methoxy-2-(2-pyridinyl)pyrimidine 4-[(4-chloro-1-naphthalenyl)oxy]-5-methoxy-2-(2-pyridinyl)pyrimidine 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-[5-chloro-6-methyl-2-(2-pyridinyl)-4-pyrimidinyl]morpholine 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-[oxo-(4-oxo-5H-thieno[3,2-c]quinolin-2-yl)methyl]-1-piperazinecarboxylic acid ethyl ester 4-amino-7,8,9,10-tetrahydro-6H-pyrimido[3,4]pyrrolo[3,5-a]azepine-11-carbonitrile 4-chloro-N-(3,4-dimethoxyphenyl)-2-thieno[3,2-c]quinolinecarboxamide 4-chloro-N-[3-(3-methyl-1-piperidinyl)propyl]-2-thieno[3,2-c]quinolinecarboxamide 4-Chlorothieno[2,3-d]pyrimidine 4-ethoxy-7,9-dimethylpyrido[3',2':4,5]thieno[3,2-d]pyrimidine 4-hydroxy-6-propan-2-ylpyrano[3,2-c]quinoline-2,5-dione 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-methyl-6-[(4-methylphenyl)thio]-2-(2-pyridyl)pyrimidine 4-methyl-N-[(4-methylphenyl)methyl]-2-furo[3,2-c]quinolinecarboxamide 4-sulfanylidene-1,6,7,8,9,10-hexahydropyrimido[3,4]pyrrolo[3,5-a]azepine-11-carbonitrile 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-(1-phenyl-5-tetrazolyl)-2-pyridin-4-yl-4-thiophen-2-ylpyrimidine 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-amino-3-(2-methylphenyl)-4-oxo-1-thieno[3,4-d]pyridazinecarboxylic acid ethyl ester 5-amino-4-oxo-3-phenyl-1-thieno[3,4-d]pyridazinecarboxylic acid 5-bromo-3-pyridinecarboxylic acid (10a-methoxy-4,7-dimethyl-6a,8,9,10-tetrahydro-6H-indolo[4,3-fg]quinoline-9-yl)methyl ester 5-bromo-3-pyridinecarboxylic acid [(6aS,9R,10aS)-10a-methoxy-4,7-dimethyl-6a,8,9,10-tetrahydro-6H-indolo[4,3-fg]quinoline-9-yl]methyl ester 5-ethyl-4-oxo-N-(thiophen-2-ylmethyl)-2-thieno[3,2-c]quinolinecarboxamide 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-(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-methoxy-4-methylbenzo[g]quinoline-2,5,10(1H)-trione 6-methoxy-N-(thiophen-2-ylmethyl)-2-furo[2,3-b]quinolinecarboxamide 6-methyl-2,3,4,5-tetrahydro-1H-azepino[4,5-b]indole 6-methyl-12-indolo[1,2-c]quinazolinamine 6-oxo-1,6-dihydrodibenzo[cd,g]indazole-3-sulfonic acid 6h-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-6-acetamide, 4-(4-chlorophenyl)-n-(4-hydroxyphenyl)-2,3,9-trimethyl-, (6s)- 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-methoxy-N-(3-pyridinylmethyl)-2-furo[2,3-b]quinolinecarboxamide 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 8,10-dimethyl-4-(2-methylphenyl)-1,3-dihydropyrido[2,3]thieno[2,4-d][1,4]diazepine-2,5-dione 8-amino-2,12-dihydroxy-4a,9-dihydro[1,3,2]dioxaphosphinino[4',5':5,6]pyrano[3,2-g]pteridin-10(4H)-one 2-oxide 8-azido-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylic acid ethyl ester 8-hydroxymirtazapine 8-methyl-4-oxo-N-[3-(4-propyl-1-piperazinyl)propyl]-5H-thieno[3,2-c]quinoline-2-carboxamide 9-(dimethylamino)-3-(4-methoxyphenyl)-4-pyrido[1,2]thieno[3,4-d]pyrimidinone 9-ethyl-1,2,4,5-tetrazaspiro[5.5]undecane-3-thione 9-HYDROXY-4-PHENYLPYRROLO[3,4-C]CARBAZOLE-1,3(2H,6H)-DIONE 9-hydroxyellipticine 9-Methoxy-2,2-dimethyl-6H-pyrano[3,2-c]quinolin-5-one 11-Deoxytetrodotoxin 17-O-acetylnorajmaline 17a-Aza-D-homoandrost-5-en-3beta-ol [1-(4-thieno[2,3-d]pyrimidinyl)-4-piperidinyl]-thiophen-2-ylmethanone [4-(1,3-benzodioxol-5-ylmethyl)-1-piperazinyl]-(7-methoxy-2-furo[2,3-b]quinolinyl)methanone [4-[2-(3-chlorophenyl)-5-(3-pyridinyl)-7-pyrazolo[1,5-a]pyrimidinyl]-1-piperazinyl]-(3-furanyl)methanone [5,6-dimethyl-3-(pyridin-4-ylmethyl)-2,4-dihydrothieno[2,3-d]pyrimidin-1-yl]-(2-furanyl)methanone Abikoviromycin acesulfame acetic acid [1-[(4,8-dimethoxy-7-furo[2,3-b]quinolinyl)oxy]-3-hydroxy-3-methylbutan-2-yl] ester AFN911 anthrapyrazole Asperidine C Aspertryptanthrin A Aspertryptanthrin B Aurachin F Aurachin K Aurachin L Austamide Awajanomycin azaarene azabicycloalkane azabicycloalkene azacycloalkane azaspiro compound azatetracycloalkane azatricycloalkane azepanes azepine azepinoindole azetidines Azetidomonamide A aziridines aziridinium ion azirinopyrroloindole azocanes azole Balfourodine Balfourodinium Batrachotoxinin A BE-54238A BE-54238B bentazepam Benz[a]acridine Benz[c]acridine benzazepine benzazocine benzimidazoles benzo[d]isothiazol-3-one benzocycloheptapyridine benzodiazepine benzofuropyrimidine benzoimidazothiazole benzoindole benzoisoquinoline benzophenanthridine benzopteridine benzopyridine benzopyridoquinolizidine derivative benzopyrrole benzopyrrolopteridine benzoquinolizine benzoselenazole benzothiadiazole benzothiazepine benzothiazine benzothiazoles benzothienopyrimidine benzotriazines benzotriazoles benzoxadiazole benzoxazine benzoxazocine benzoxazole bicyclic nitroimidazole Bioxalomycin alpha1 Bioxalomycin alpha2 Bipolamine D Bipolamine E Bipolamine F Bipolamine G Bipolamine H Bipolamine I bipyridines bisindole bisoxazole Burnettramic acid A aglycone calycanthidine calycanthine carbacephem carbapenems cassameridine cephams cephem Chloroaustralasine B cinnolines CJ-16,264 cladoniamide derivative Clipibicyclene Codopiloic acid crown amine cryptolepine Curindolizine Curvulamine Cyanocycline C Cybastacine A cyclo(L-tryptophyl-L-valyl)dihydropyrazine(1+) Cyclo-(D-Pipecolinyl-L-isoleucine) cyclobutadipyrimidine Cyclocarbamide A Cyclocarbamide B cyclopentaimidazothiazole cyclopentapyridine cyclopentapyrimidine cyclopentapyrrole cylindrospermopsins diazaborine diazaborine derivative diazepane diazepine diazepinoindole diazines diazolidine diazoline Dibenz[a,h]acridine Dibenz[a,j]acridine Dibenz[c,h]acridine dibenzazecine dibenzoazepine dibenzonaphthyridine dibenzopyridine dibenzopyrrole dibenzoquinolizine dibenzothiazepine Dictamnine diflomotecan Dihydro-2,4,6-tris(2-methylpropyl)-4h-1,3,5-dithiazine Dihydro-2,4-dimethyl-6-(1-methylpropyl)-4H-1,3,5-dithiazine Dihydro-4,6-dimethyl-2-(1-methylethyl)-4H-1,3,5-dithiazine Dihydro-6-isopropyl-2,4-dimethyl-4H-1,3,5-dithiazine dioxazine dipymetitrone dipyridodiazepine dithiolopyrrole dithioloquinoxaline Dubinidine ellipticine Ethidimuron 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 Euvesperin A Evoxine fleephilone Flindersiamine Flindersine folicanthine Fumigatoside E fumiquinazoline furopyridazine furopyridine furopyrimidine furopyrrole gamma-Fagarine gilvusmycin gisadenafil Glycoperine Haplodimerine Haplopine heptaazaphenalene Heronamide A Heronamide D Heteratisine imidazobenzazepine imidazodiazepine Imidazol-2-one imidazolinone imidazooxazine imidazopurine imidazopyrazine imidazopyrazole imidazopyridazine imidazopyridine imidazopyrimidine imidazopyrimidopyrimidine imidazoquinazoline imidazoquinoline imidazoquinoxaline imidazotetrazine imidazothiadiazine imidazothiazole imidazotriazine indazoles indenopyrazole indolizines indolobenzazepine indoloquinoline Isodictamnine isoquinolines isoxazoline Israpafant Izonsteride karakoline Kobutimycin A Kobutimycin B Kokusaginine lactam Lasiodipline F Latumcidin Lemobiline Lepadin D lergotrile LSM-1859 LSM-1903 LSM-2613 LSM-5894 LSM-6326 LSM-6333 LSM-6732 LSM-16990 LSM-17286 LSM-19637 LSM-19776 LSM-22688 LSM-24412 lucidine B Luciduline Lunacrine Lysergene Maculine Maculosidine Maculosine Malabetaezindole A Malabetaezindole B Marcfortine A Mirtazapine-N-oxide molybdopterin synthase intermediate morphinane-like compound N'-[6-(tert-butyl)thieno[3,2-d]pyrimidin-4-yl]-4-methylbenzohydrazide N,6-diphenylthieno[2,3-d]pyrimidin-4-amine N,8-dimethyl-N-(3-methylphenyl)-4-oxo-5H-thieno[3,2-c]quinoline-2-carboxamide 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-(7-methyl-2,5-dioxo-4,4a,6,10b-tetrahydro-3H-pyrano[3,2-c]quinolin-3-yl)propanamide N-[(4,7-dimethyl-6,6a,8,9,10,10a-hexahydroindolo[4,3-fg]quinoline-9-yl)methyl]carbamic acid (phenylmethyl) ester N-[(4-chlorophenyl)methoxy]-N'-(4-thieno[2,3-d]pyrimidinyl)methanimidamide N-[(4-ethoxy-3-methoxyphenyl)methyl]-N-methyl-2-(3-pyridinyl)-4-quinazolinamine N-[(4-methylphenyl)methyl]-2-(2-pyridinyl)-4-(trifluoromethyl)-5-pyrimidinecarboxamide 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-[2-(dipropylamino)ethyl]-4-methyl-2-furo[3,2-c]quinolinecarboxamide N-[2-(dipropylamino)ethyl]-5-ethyl-4-oxo-2-thieno[3,2-c]quinolinecarboxamide N-[3-(3,5-dimethyl-1-piperidinyl)propyl]-1-(9-fluoro-[1]benzothiolo[3,2-d]pyrimidin-4-yl)-4-piperidinecarboxamide N-[3-(4-morpholinyl)propyl]-3-(3-pyridinyl)-7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-amine 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-[5-[6-(3-chloroanilino)-4-pyrimidinyl]-2-pyridinyl]-N',N'-dimethylpropane-1,3-diamine 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-Acetoxymethylflindersine N-cyclohexyl-2-[[6-(2-pyridinyl)-3-pyridazinyl]thio]acetamide N-cyclohexyl-6-methyl-4-thieno[2,3-d]pyrimidinamine N-cyclohexyl-N,4-dimethyl-5-thieno[3,2-b]pyrrolecarboxamide N-cyclopentyl-2-[[6-(2-pyridinyl)-3-pyridazinyl]thio]acetamide N-Methylflindersine N-Nitrosothialdine N-pyridin-4-yl-7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-amine N1-[6-hydroxy-2-(2-pyridyl)pyrimidin-4-yl]acetamide N4-isopropyl-7-methylthieno[3,2-d]pyrimidin-4-amine naphthoimidazole naphthothiazole naphthyridine naphthyridine derivative Nicergoline Nigellicine Nigellidine Nocarazepine A Nocarditriene norajmaline nucleobase O-Methylptelefolonium organonitrogen heterocyclic antibiotic Outovirin A oxacephem oxadiazane oxadiazole oxadiazolidine oxadiazoloquinoxaline oxathiocane oxazinane oxazolidines oxazolopyrazine oxazolopyridine oxazolopyrimidine oxolucidine B PD-146176 penams Penibruguieramine A Penicillactam Penigainamide B Penigainamide C Penochalasin I Penochalasin K pentetrazol perimidines Peroxysimulenoline PF1018 phenanthrolines phenazines Phlegmarine phthalazines PI3-Kinase alpha Inhibitor 2 piperazines piperidines Platydesmine Platydesminium polypyrrane polypyrrole precursor Z precursor Z hydrate propizepine protuboxepin A protuboxepin B Pteleatine pteridines Pydanon pyranoindolizinoquinoline pyranopterin pyranopyrazole pyranopyridine pyranopyrrole pyranothiazole pyrazinoindole pyrazinoisoquinoline pyrazinopyridoindole pyrazolooxadiazepine pyrazolopyrazole pyrazolopyridazine pyrazolopyridine pyrazolopyrimidine pyrazoloquinoline pyrazolotriazine Pyreudione C pyridazinodiazepine pyridines pyridobenzimidazole pyridocarbazole pyridoindole pyridophenoxazine pyridopyrazine pyridoquinoline pyrimidinothiazolopyrimidine pyrimidobenzothiazine pyrimidobenzoxazine pyrimidodiazepine pyrimidopurine pyrimidopyridazine pyrimidopyrimidine pyrimidoquinolines pyrimidotriazine Pyrrolam B pyrrolidines Pyrrolidino-[1,2E]-4H-2,4-dimethyl-1,3,5-dithiazine pyrrolidinopiperidine pyrroline pyrrolizidine pyrrolizines pyrrolobenzodiazepine pyrroloimidazole pyrroloindole pyrroloisoindole pyrrolopurine pyrrolopyrazine pyrrolopyrazole pyrrolopyridine pyrrolopyrimidine pyrroloquinazoline pyrroloquinoline pyrroloquinoxaline pyrrolotriazine Quinacridone quinagolide quinazolines quinolines quinolizines Ribaline Ribalinium Ro 19-4603 Romergoline Rutalinium salinosporamide Sartorymensin scytonemin sexipyridines Simulansine Skimmianine SN-38 carboxylic acid sodium 3-[[2-pyridin-3-yl-6-(1,2,4,5-tetrahydro-3-benzazepin-3-yl)pyrimidin-4-yl]amino]propanoate tak-475 Tebuthiuron terpendole J Terremide B Terremide C tetrahydropyrimidine tetrazine tetrazocane tetrazolopyridine thiadiazepane thiadiazinane thiadiazolidine thiadiazolopyridazine thiadiazoloquinoline Thialdine Thiazafluron thiazepane thiazepine thiazide thiazinane thiazine thiazolidines thiazoloindole thiazoloisoindole thiazolopyridine thiazolopyrimidine thienoimidazole thienopyridine thienopyrimidine thienopyrroloimidazole thienothiazine thienotriazolodiazepine thiopyranopyrimidine TMC-135A TMC-135B triazaacenaphthylene triazinanes triazines triazolobenzothiazole triazolopyrazine triazolopyridazine triazolopyridine triazolopyrimidines triazoloquinazoline triazolothiadiazole Tryptanthrine Tylophorine UCS1025A UCS1025B uretdiones Veprisinium Verruculotoxin wrightiamine A xestospongin C Zanthodioline Zanthosimuline zarzissine