![11H-Pyrido[2,1-b]quinazoline-2-carboxylic acid, 11-oxo-, methyl ester,monohydrochloride](/structure/64019-10-9.png)
11H-Pyrido[2,1-b]quinazoline-2-carboxylic acid, 11-oxo-, methyl ester,monohydrochloride
![11H-Pyrido[2,1-b]quinazoline-2-carboxylic acid, 11-oxo-, methyl ester,monohydrochloride](/structure/64019-10-9.png)
11H-Pyrido[2,1-b]quinazoline-2-carboxylic acid, 11-oxo-, methyl ester,monohydrochloride
![1H-Pyrido[1,2-c]pyrimidine-1,3(2H)-dione,2-amino-6-(4-aminooctahydro-2H-isoindol-2-yl)-4-cyclopropyl-7-fluoro-5-methyl-](/structure/477700-48-4.png)
![1H-Pyrido[3,4-b]indole-3-carboxylic acid,2,3,4,4a,9,9a-hexahydro-4-(methoxymethyl)-5-(phenylmethoxy)-, ethylester](/structure/105699-48-7.png)
![1H-Pyrido[1,2-c]pyrimidine-1,3(2H)-dione,6-chloro-4-cyclopropyl-7-fluoro-5-methoxy-8-methyl-](/structure/477702-48-0.png)
1H-Pyrido[1,2-c]pyrimidine-1,3(2H)-dione,6-chloro-4-cyclopropyl-7-fluoro-5-methoxy-8-methyl-
![2(1H)-Quinolinone,4-hydroxy-3-(7-methyl-1,1-dioxido-2H-pyrido[2,3-e]-1,2,4-thiadiazin-3-yl)-1-(phenylmethyl)-, monosodium salt](/structure/686266-10-4.png)
![2H-Pyrido[3,2-b]-1,4-oxazin-3(4H)-one, 6-[(1E)-2-phenylethenyl]-](/structure/443956-10-3.png)
2H-Pyrido[3,2-b]-1,4-oxazin-3(4H)-one, 6-[(1E)-2-phenylethenyl]-
![Pyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylic acid, 4-chloro-5,8-dihydro-, ethyl ester](/structure/261157-10-2.png)
Pyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylic acid, 4-chloro-5,8-dihydro-, ethyl ester
![4H-Pyrido[1,2-a]pyrimidin-4-one,9-[(2-methoxyphenyl)amino]-7-methyl-2-(4-morpholinyl)-](/structure/768401-10-1.png)
4H-Pyrido[1,2-a]pyrimidin-4-one,9-[(2-methoxyphenyl)amino]-7-methyl-2-(4-morpholinyl)-
![4H-Pyrido[1,2-a]pyrimidine-3-carboxaldehyde,2-[methyl(phenylmethyl)amino]-4-oxo-, 3-(phenylhydrazone)](/structure/476208-10-3.png)
![4H-Pyrido[1,2-a]pyrimidin-4-one, 3-(dimethylamino)-6-hexyl-](/structure/64194-10-1.png)
![9H-Pyrido[2,3-b]indole-3-propanoic acid,2,4-dimethyl-9-[[4-[(1S)-2-oxo-2-(1-piperazinyl)-1-(tetrahydro-2H-pyran-4-yl)ethyl]phenyl]methyl]-, ethyl ester, dihydrochloride](/structure/629611-48-9.png)
![9H-Pyrido[2,3-b]indole-3-propanoic acid,2,4-dimethyl-9-[[4-[(1S)-2-oxo-2-[(phenylmethyl)amino]-1-(tetrahydro-2H-pyran-4-yl)ethyl]phenyl]methyl]-7-(trifluoromethyl)-](/structure/629612-48-2.png)
![Benzonitrile,4-[3-(2-furanyl)-2,5-dihydro-5-methyl-2-oxo-1H-pyrido[3,2-b]indol-1-yl]-](/structure/698397-10-3.png)
Benzonitrile,4-[3-(2-furanyl)-2,5-dihydro-5-methyl-2-oxo-1H-pyrido[3,2-b]indol-1-yl]-
![Benzoic acid,4-[2-(2,4-diaminopyrido[3,2-d]pyrimidin-6-yl)-1-(phenylsulfonyl)ethyl]-,methyl ester](/structure/88393-10-6.png)
Benzoic acid,4-[2-(2,4-diaminopyrido[3,2-d]pyrimidin-6-yl)-1-(phenylsulfonyl)ethyl]-,methyl ester
![6H-Pyrido[1,2-a]pyrimidin-6-one,1,2,3,4,7,8-hexahydro-9-(4-methylbenzoyl)-](/structure/126004-48-6.png)
6H-Pyrido[1,2-a]pyrimidin-6-one,1,2,3,4,7,8-hexahydro-9-(4-methylbenzoyl)-
![9-chloro-2-hydroxy-11,11-dimethyl-4H-pyrano[2',3':4,5]pyrido[1,2-a]indole-4,5(11H)-dione](/structure/277326-10-0.png)
9-chloro-2-hydroxy-11,11-dimethyl-4H-pyrano[2',3':4,5]pyrido[1,2-a]indole-4,5(11H)-dione
![(5,6-dimethylpyrido[4,3-b]carbazol-11-yl)methanol](/structure/89651-48-9.png)
![Pyrido[2,3-d]pyridazine-8-carboxylic acid,2,4-diamino-3-cyano-5,6-dihydro-5-oxo-6-phenyl-, ethyl ester](/structure/104720-48-1.png)
![Pyrido[2,3-d]pyrimidin-7(1H)-one,2,4-diamino-5,6-dihydro-5-(4-hydroxy-3-methoxyphenyl)-6-methyl-](/structure/748135-10-6.png)
Pyrido[2,3-d]pyrimidin-7(1H)-one,2,4-diamino-5,6-dihydro-5-(4-hydroxy-3-methoxyphenyl)-6-methyl-
![Pyrido[2,3-f][1,7]phenanthroline-2,6,10-tricarboxylic acid,1,4,5,8,9,12-hexahydro-4,8,12-trioxo-, trisodium salt](/structure/63921-10-8.png)
![Pyrido[4,3-d]pyrimidine-5(6H)-thione,2-[4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-6-ethyl-](/structure/104964-48-9.png)
![Pyrido[3,4-b]pyrazine-7-carboxamide,5,6,7,8-tetrahydro-N-hydroxy-6-[(4-methoxyphenyl)sulfonyl]-, (7S)-](/structure/523994-10-7.png)
![Pyrido[3,4-c]pyridazine-3-carboxamide,N-[(4-chlorophenyl)methyl]-1,4-dihydro-6-(3-hydroxy-1-propynyl)-4-oxo-](/structure/390359-48-5.png)
![Pyrido[2,3-d]pyrimidin-4(1H)-one, 2-amino-6-(2-phenylethyl)-](/structure/501333-10-4.png)
Pyrido[2,3-d]pyrimidin-4(1H)-one, 2-amino-6-(2-phenylethyl)-
![Pyrido[2,3-d]pyrimidine-2-carbonitrile, 7-(4-formylphenyl)-6-phenyl-](/structure/867353-48-8.png)
Pyrido[2,3-d]pyrimidine-2-carbonitrile, 7-(4-formylphenyl)-6-phenyl-
![Pyrido[3,2-d]-1,2,3-triazin-4(3H)-one, 3-(2,2-dimethyl-1-oxopropoxy)-](/structure/654651-48-6.png)
Pyrido[3,2-d]-1,2,3-triazin-4(3H)-one, 3-(2,2-dimethyl-1-oxopropoxy)-
![Pyrido[3,2-d]pyrimidine-2,4-diamine, 6-[(2-methoxyphenyl)sulfonyl]-](/structure/216167-10-1.png)
Pyrido[3,2-d]pyrimidine-2,4-diamine, 6-[(2-methoxyphenyl)sulfonyl]-
![Pyrido[4,3-d]pyrimidine-5,7,8(1H)-trione,2,3,4,6-tetrahydro-4-(4-methoxyphenyl)-6-phenyl-2-thioxo-](/structure/863559-48-2.png)
Pyrido[4,3-d]pyrimidine-5,7,8(1H)-trione,2,3,4,6-tetrahydro-4-(4-methoxyphenyl)-6-phenyl-2-thioxo-
![2,3-bis(4-methoxyphenyl)-6,7-dihydro-3H,5H-pyrido[1,2,3-de]quinoxaline](/structure/3263-10-3.png)
2,3-bis(4-methoxyphenyl)-6,7-dihydro-3H,5H-pyrido[1,2,3-de]quinoxaline

![9H-Pyrido[2,3-b]indole-3-carboxylic acid, 4-chloro-2,9-dimethyl-, methylester](/structure/113772-10-4.png)
9H-Pyrido[2,3-b]indole-3-carboxylic acid, 4-chloro-2,9-dimethyl-, methylester
![1,3,4,6,11,11a-hexahydro-2H-pyrido[1,2-b]isoquinoline-7-sulfonic acid](/structure/5361-48-8.png)
1,3,4,6,11,11a-hexahydro-2H-pyrido[1,2-b]isoquinoline-7-sulfonic acid
![Pyrido[4,3-d]pyrimidin-4(3H)-one,2-methyl-3-[4-[3-[(2R)-2-methyl-1-pyrrolidinyl]propoxy]phenyl]-](/structure/862314-48-5.png)
Pyrido[4,3-d]pyrimidin-4(3H)-one,2-methyl-3-[4-[3-[(2R)-2-methyl-1-pyrrolidinyl]propoxy]phenyl]-
![Pyrido[3,2-g]quinolin-2(1H)-one, 6,7,8,9-tetrahydro-4-(trifluoromethyl)-](/structure/179897-48-4.png)
Pyrido[3,2-g]quinolin-2(1H)-one, 6,7,8,9-tetrahydro-4-(trifluoromethyl)-
![Spiro[cyclohexane-1,1'-[1H]pyrido[3,4-b]indole]-3'-carboxylic acid,2',3',4',9'-tetrahydro-, (S)-](/structure/141435-10-1.png)
Spiro[cyclohexane-1,1'-[1H]pyrido[3,4-b]indole]-3'-carboxylic acid,2',3',4',9'-tetrahydro-, (S)-
![1H-Pyrido[3,4-b]indole,2,3,4,9-tetrahydro-1-(3-methoxyphenyl)-2,3-dimethyl-](/structure/496938-10-4.png)
1H-Pyrido[3,4-b]indole,2,3,4,9-tetrahydro-1-(3-methoxyphenyl)-2,3-dimethyl-