![Pyrido[3,2-d]pyrimidine-6-carboxaldehyde, 2,4-diamino-](/structure/88553-25-7.png)
![Pyrido[3,2-d]pyrimidine-6-carboxaldehyde, 2,4-diamino-](/structure/88553-25-7.png)
![3-(9,10-dimethoxy-2-oxo-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-3-yl)propanenitrile](/structure/23158-25-0.png)
3-(9,10-dimethoxy-2-oxo-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-3-yl)propanenitrile
![Ethanol,
2-[[4-[(3-bromophenyl)amino]pyrido[3,4-d]pyrimidin-6-yl]methylamino]-](/structure/194024-25-4.png)
Ethanol, 2-[[4-[(3-bromophenyl)amino]pyrido[3,4-d]pyrimidin-6-yl]methylamino]-
![5,11-dimethyl-9-phenyl-6H-pyrido[4,3-b]carbazole](/structure/55675-92-8.png)
![Pyrido[3,4-d]pyrimidin-4(3H)-one,6-chloro-3-[2-hydroxy-4-[3-(1-piperidinyl)propoxy]phenyl]-2-methyl-](/structure/862312-92-3.png)
Pyrido[3,4-d]pyrimidin-4(3H)-one,6-chloro-3-[2-hydroxy-4-[3-(1-piperidinyl)propoxy]phenyl]-2-methyl-
![Urea,N-[2-[[2-(aminomethyl)-1,3-benzodioxol-5-yl]amino]-6-(2,6-dichlorophenyl)pyrido[2,3-d]pyrimidin-7-yl]-N'-(1,1-dimethylethyl)-](/structure/873556-92-4.png)
![Phenol,4-[4-phenyl-6-[(phenylsulfonyl)methyl]-9H-pyrido[2,3-b]indol-3-yl]-,1-methanesulfonate](/structure/916821-25-5.png)
Phenol,4-[4-phenyl-6-[(phenylsulfonyl)methyl]-9H-pyrido[2,3-b]indol-3-yl]-,1-methanesulfonate
![(z)-but-2-enedioic Acid;1-[3-(dimethylamino)propylamino]-4-methyl-5h-pyrido[4,3-b]indol-8-ol](/structure/111380-25-7.png)
(z)-but-2-enedioic Acid;1-[3-(dimethylamino)propylamino]-4-methyl-5h-pyrido[4,3-b]indol-8-ol
![2H-Pyrido[4,3-a]carbazole-1-carbonitrile,3,5,6,11-tetrahydro-3,8-dimethyl-2-oxo-](/structure/874775-92-5.png)
2H-Pyrido[4,3-a]carbazole-1-carbonitrile,3,5,6,11-tetrahydro-3,8-dimethyl-2-oxo-
![Pyrido[2,3-d]pyrimidin-7(1H)-one, 4-amino-5,6-dihydro-2,6-dimethyl-](/structure/654645-25-7.png)
Pyrido[2,3-d]pyrimidin-7(1H)-one, 4-amino-5,6-dihydro-2,6-dimethyl-
![Pyrido[2,3-d]pyrimidin-7(1H)-one, 4-amino-5,6-dihydro-2-phenyl-](/structure/600737-92-6.png)
Pyrido[2,3-d]pyrimidin-7(1H)-one, 4-amino-5,6-dihydro-2-phenyl-
![Pyrido[3,2-d]pyrimidin-4(1H)-one,2,3-dihydro-3-(2-hydroxyphenyl)-2-thioxo-](/structure/128037-25-2.png)
Pyrido[3,2-d]pyrimidin-4(1H)-one,2,3-dihydro-3-(2-hydroxyphenyl)-2-thioxo-
![1H-Pyrido[3,4-e]-1,4-diazepine-2,3-dione, 1-methyl-5-phenyl-, 3-oxime](/structure/170228-92-9.png)
1H-Pyrido[3,4-e]-1,4-diazepine-2,3-dione, 1-methyl-5-phenyl-, 3-oxime
![10H-Pyrido[1,2-a]indolium,8-[2-(3-bromophenyl)ethenyl]-10,10-dimethyl-, perchlorate](/structure/138864-25-2.png)
10H-Pyrido[1,2-a]indolium,8-[2-(3-bromophenyl)ethenyl]-10,10-dimethyl-, perchlorate
![ethyl (5-amino-2,3-diphenyl-1,2-dihydropyrido[3,4-b]pyrazin-7-yl)carbamate](/structure/87607-25-8.png)
ethyl (5-amino-2,3-diphenyl-1,2-dihydropyrido[3,4-b]pyrazin-7-yl)carbamate
![1H-Pyrido[3,4-b]indole, 2,3,4,9-tetrahydro-1-(4-nitrophenyl)-4-phenyl-,(1R,4R)-rel-](/structure/873977-25-4.png)
1H-Pyrido[3,4-b]indole, 2,3,4,9-tetrahydro-1-(4-nitrophenyl)-4-phenyl-,(1R,4R)-rel-
![Pyrido[2,3-b]pyrazin-3(4H)-one, 2-[(2-aminophenyl)methyl]-4-phenyl-](/structure/176030-25-4.png)
Pyrido[2,3-b]pyrazin-3(4H)-one, 2-[(2-aminophenyl)methyl]-4-phenyl-
![Pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dithione, 5,7-diphenyl-](/structure/111281-92-6.png)
![Pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione,3-[2-[1-(1,3-dioxolan-2-ylmethyl)-4-piperidinyl]ethyl]-, dihydrochloride](/structure/141107-92-8.png)
![4H-Pyrido[2,3-d][1,3]oxazin-4-one,5-(4-methoxyphenyl)-7-(4-methylphenyl)-2-(2-phenylethenyl)-, (E)-](/structure/154778-25-3.png)
4H-Pyrido[2,3-d][1,3]oxazin-4-one,5-(4-methoxyphenyl)-7-(4-methylphenyl)-2-(2-phenylethenyl)-, (E)-
![Pyrido[2,3-b]pyrazin-3(4H)-one,2-(3-pyridinylmethyl)-4-[3-(3-thienyl)phenyl]-](/structure/176030-92-5.png)
Pyrido[2,3-b]pyrazin-3(4H)-one,2-(3-pyridinylmethyl)-4-[3-(3-thienyl)phenyl]-
![Benzamide, 3-[3-oxo-2-(phenylmethyl)pyrido[2,3-b]pyrazin-4(3H)-yl]-](/structure/176031-92-8.png)
Benzamide, 3-[3-oxo-2-(phenylmethyl)pyrido[2,3-b]pyrazin-4(3H)-yl]-
![6H-Pyrido[1,2-a]pyrimidin-6-one, 9-benzoyl-1,2,3,4-tetrahydro-](/structure/107165-92-4.png)
6H-Pyrido[1,2-a]pyrimidin-6-one, 9-benzoyl-1,2,3,4-tetrahydro-
![Pyrido[3,2-g]quinolin-2(1H)-one,6,7,8,9-tetrahydro-6,8,8-trimethyl-4-(trifluoromethyl)-](/structure/179895-92-2.png)
Pyrido[3,2-g]quinolin-2(1H)-one,6,7,8,9-tetrahydro-6,8,8-trimethyl-4-(trifluoromethyl)-
![2-{4-[3-(3-chloro-10H-pyrido[3,2-b][1,4]benzothiazin-10-yl)propyl]-1,4-diazepan-1-yl}ethyl acetate dihydrochloride](/structure/19824-92-1.png)
![4-[2-[(6-aminopyrido[2,3-b]pyrazin-8-yl)amino]ethyl]benzenesulfonamide;hydrochloride](/structure/21271-92-1.png)
4-[2-[(6-aminopyrido[2,3-b]pyrazin-8-yl)amino]ethyl]benzenesulfonamide;hydrochloride
![1H-Pyrido[3,4-b]indole, 2,3,4,9-tetrahydro-7-methyl-](/structure/172895-92-0.png)
![2H-Pyrido[4,3-e][1,2,4]triazepin-2-one,5-cyclohexyl-1,3-dihydro-1-[4-[(1H-imidazol-2-ylmethyl)amino]phenyl]-3-(3,3,5,5-tetramethylcyclohexyl)-](/structure/916509-25-6.png)
![2-ethyl-5-methyl-6,8-diphenyl-[1,3]oxazolo[1,2]pyrido[4,5-b]pyrimidine-4,7,9-trione](/structure/334668-92-7.png)
2-ethyl-5-methyl-6,8-diphenyl-[1,3]oxazolo[1,2]pyrido[4,5-b]pyrimidine-4,7,9-trione
![2-benzhydryl-3,4,5,7,8,9,10,10a-octahydro-1h-pyrido[1,2-a][1,4]diazepine](/structure/36067-92-2.png)
2-benzhydryl-3,4,5,7,8,9,10,10a-octahydro-1h-pyrido[1,2-a][1,4]diazepine
![Pyrido[3,4-d]pyridazine-1-carboxylic acid,3,4,5,6-tetrahydro-4,5-dioxo-3,7-diphenyl-, ethyl ester](/structure/145121-25-1.png)
Pyrido[3,4-d]pyridazine-1-carboxylic acid,3,4,5,6-tetrahydro-4,5-dioxo-3,7-diphenyl-, ethyl ester
![Pyrido[2,1-a]isoindole-1-carboxylic acid,4,6-dihydro-6-imino-4-oxo-3-phenyl-](/structure/141389-25-5.png)
Pyrido[2,1-a]isoindole-1-carboxylic acid,4,6-dihydro-6-imino-4-oxo-3-phenyl-
![Pyrido[2,3-c]pyridazine-6-carboxylic acid,7,8-dihydro-5-hydroxy-8-(1-methylethyl)-, ethyl ester](/structure/128992-25-6.png)
Pyrido[2,3-c]pyridazine-6-carboxylic acid,7,8-dihydro-5-hydroxy-8-(1-methylethyl)-, ethyl ester
![1H-Pyrido[1,2-c]pyrimidine-1,3(2H)-dione,2-amino-6-[4-(aminomethyl)-2-pyridinyl]-4-cyclopropyl-7-fluoro-5-methyl-](/structure/477701-25-0.png)
![1H-Pyrido[1,2-c]pyrimidine-1,3(2H)-dione,2-amino-6-[5-(aminomethyl)-3-thienyl]-4-cyclopropyl-7-fluoro-5-methoxy-](/structure/477701-92-1.png)
![5-(4-fluorobenzoyl)-8-methyl-6,7,8,9-tetrahydro-5H-[1,3]dioxolo[4,5-f]pyrido[4,3-b]indol-8-ium chloride](/structure/50279-92-0.png)