![1H-Dipyrrolo[3,4-3,4:3',4'-5,6]pyrido[2,1-a]phthalazine-1,3,4,6(2H,3aH,5H)-tetrone,3b,6a,13b,13c-tetrahydro-](/structure/25611-41-0.png)
![1H-Dipyrrolo[3,4-3,4:3',4'-5,6]pyrido[2,1-a]phthalazine-1,3,4,6(2H,3aH,5H)-tetrone,3b,6a,13b,13c-tetrahydro-](/structure/25611-41-0.png)
![Pyrido[3,2-d]pyrimidin-2-amine, 6-(2-fluorophenyl)-4-(pentyloxy)-](/structure/897362-41-3.png)
Pyrido[3,2-d]pyrimidin-2-amine, 6-(2-fluorophenyl)-4-(pentyloxy)-
![1H-Pyrido[3,4-b]indol-1-one, 2,9-dihydro-9-methyl-3-(trimethoxymethyl)-](/structure/88129-41-3.png)
1H-Pyrido[3,4-b]indol-1-one, 2,9-dihydro-9-methyl-3-(trimethoxymethyl)-
![1H-Pyrido[3,4-b]indole, 2,3,4,9-tetrahydro-4-phenyl-1-(2-thienyl)-,(1R,4S)-rel-](/structure/926015-41-0.png)
1H-Pyrido[3,4-b]indole, 2,3,4,9-tetrahydro-4-phenyl-1-(2-thienyl)-,(1R,4S)-rel-

![Pyrido[3,2-d]pyrimidin-2-amine,6-(1,3-benzodioxol-5-yl)-4-(4-morpholinyl)-](/structure/917757-41-6.png)
Pyrido[3,2-d]pyrimidin-2-amine,6-(1,3-benzodioxol-5-yl)-4-(4-morpholinyl)-
![Pyrido[3,2-d]pyrimidin-2-amine, 6-(4-fluorophenyl)-4-(methylthio)-](/structure/917758-41-9.png)
Pyrido[3,2-d]pyrimidin-2-amine, 6-(4-fluorophenyl)-4-(methylthio)-
![Pyrido[3,2-d]pyrimidin-2-amine,6-(2,4-dimethyl-5-thiazolyl)-4-(2-methoxyethoxy)-](/structure/917759-41-2.png)
Pyrido[3,2-d]pyrimidin-2-amine,6-(2,4-dimethyl-5-thiazolyl)-4-(2-methoxyethoxy)-
![Methanone,(8,9-dihydropyrido[2,3-b][1,6]naphthyridin-7(6H)-yl)(2-hydroxyphenyl)-](/structure/389117-41-3.png)
Methanone,(8,9-dihydropyrido[2,3-b][1,6]naphthyridin-7(6H)-yl)(2-hydroxyphenyl)-
![9H-Pyrido[2,3-b]azepine-9-carbothioamide,5,6,7,8-tetrahydro-N-methyl-, monohydrochloride](/structure/60782-41-4.png)
9H-Pyrido[2,3-b]azepine-9-carbothioamide,5,6,7,8-tetrahydro-N-methyl-, monohydrochloride
![1H-PYRIDO[2,3-E][1,2,4]TRIAZEPINE](/structure/111190-41-1.png)
![2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE,3,4-DIHYDRO-3-HYDROXY-](/structure/412341-41-4.png)
![2H-Pyrido[3,2-e]-1,4-diazepin-2-one, 7-bromo-1,3-dihydro-5-phenyl-](/structure/57059-41-3.png)
2H-Pyrido[3,2-e]-1,4-diazepin-2-one, 7-bromo-1,3-dihydro-5-phenyl-
![Guanidine,[4-oxo-4-(2,3,4,9-tetrahydro-6-hydroxy-1H-pyrido[3,4-b]indol-1-yl)butyl]-](/structure/880354-41-6.png)
Guanidine,[4-oxo-4-(2,3,4,9-tetrahydro-6-hydroxy-1H-pyrido[3,4-b]indol-1-yl)butyl]-
![4-(3,4,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indol-2(1H)-yl)-1-(4-methoxyphenyl)butan-1-one](/structure/42021-41-0.png)


![2H-Pyrido[1,2-a]-1,3,5-triazine-2,4(3H)-dithione, 3-phenyl-](/structure/112107-41-2.png)
![4H-Pyrido[1,2-a]pyrimidin-4-one, 1,6,7,8-tetrahydro-1,6-dimethyl-, (R)-](/structure/88125-41-1.png)
4H-Pyrido[1,2-a]pyrimidin-4-one, 1,6,7,8-tetrahydro-1,6-dimethyl-, (R)-
![9H-Pyrido[3,4-b]indol-6-ol, 5,7-dibromo-, acetate (ester)](/structure/123363-41-7.png)
![Indolo[2,3:3,4]pyrido[2,1-b]quinazolin-5(7H)-one, 8,13-dihydro-1,2-dimethoxy-](/structure/606925-41-1.png)
Indolo[2,3:3,4]pyrido[2,1-b]quinazolin-5(7H)-one, 8,13-dihydro-1,2-dimethoxy-
![1-Ethyl-1,6,7,8,9,9a-hexahydro-6-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester](/structure/30238-41-6.png)
![Pyrido[1,2-a][1,4]diazepine,decahydro-2-methyl-4-(4-morpholinylphenylmethyl)-](/structure/56099-41-3.png)
Pyrido[1,2-a][1,4]diazepine,decahydro-2-methyl-4-(4-morpholinylphenylmethyl)-
![Pyrido[1,2-a][1,4]diazepine, decahydro-2,4-dimethyl-4-nitro-](/structure/56434-41-4.png)
Pyrido[1,2-a][1,4]diazepine, decahydro-2,4-dimethyl-4-nitro-
![Pyrido[2,3-g]quinoline-3,8-dicarboxylic acid,5,10-dihydro-4,9-dihydroxy-2,7-dimethyl-, diethyl ester](/structure/91096-41-2.png)
Pyrido[2,3-g]quinoline-3,8-dicarboxylic acid,5,10-dihydro-4,9-dihydroxy-2,7-dimethyl-, diethyl ester
![2H-1,24:12,15-Dietheno-6,10-metheno-16Hpyrido[ 2',3':17,18][1,10]dioxacycloeicosino[2,3,4- ij]isoquinoline-9,22-diol,3,4,4a,5,16a,17,18,19- octahydro-21,26-dimethoxy-4,17-dimethyl-,(4aR,16aR)-](/structure/99945-41-2.png)
![1-(3,5-dimethoxyphenyl)-3-[2-(3-fluorophenyl)ethenyl]pyrido[1,2-a]benzimidazole-4-carbonitrile](/structure/5604-41-1.png)
1-(3,5-dimethoxyphenyl)-3-[2-(3-fluorophenyl)ethenyl]pyrido[1,2-a]benzimidazole-4-carbonitrile
![tert-Butyl 8-(cyclopropylmethoxy)-2,3-dihydropyrido[3,2-f][1,4]oxazepine-4(5H)-carboxylate](/structure/1154471-41-6.png)
tert-Butyl 8-(cyclopropylmethoxy)-2,3-dihydropyrido[3,2-f][1,4]oxazepine-4(5H)-carboxylate
![4-Chloro-2-(methylsulfanyl)pyrido[3',2':4,5]furo-[3,2-d]pyrimidine](/structure/1198475-41-0.png)
4-Chloro-2-(methylsulfanyl)pyrido[3',2':4,5]furo-[3,2-d]pyrimidine
![Pyrido[2,1-a]isoindole-1-carboxylic acid,9-chloro-4,6-dihydro-4-oxo-3-phenyl-, methyl ester](/structure/141389-41-5.png)
Pyrido[2,1-a]isoindole-1-carboxylic acid,9-chloro-4,6-dihydro-4-oxo-3-phenyl-, methyl ester
![ethyl [3-(4-chlorophenyl)-8-({2-[4-(diethylsulfamoyl)phenyl]ethyl}amino)pyrido[2,3-b]pyrazin-6-yl]carbamate](/structure/19270-41-8.png)
![6,8-dimethyl-3-oxido-5-phenyl-[1,2,5]oxadiazolo[1,2]pyrido[4,5-b]pyrimidin-3-ium-4,7,9-trione](/structure/189998-41-2.png)
6,8-dimethyl-3-oxido-5-phenyl-[1,2,5]oxadiazolo[1,2]pyrido[4,5-b]pyrimidin-3-ium-4,7,9-trione
![1,3-Propanediamine, N'-(5,6-dimethyl-5H-pyrido[3',4':4,5]pyrrolo[2,3-g]isoquinolin-10-yl)-N,N -diethyl-](/structure/119910-41-7.png)
![Pyrido[2,3-d]pyrimidin-4(3H)-one,3-(cyclopropylmethyl)-6-iodo-2-(propylthio)-](/structure/187538-41-6.png)
Pyrido[2,3-d]pyrimidin-4(3H)-one,3-(cyclopropylmethyl)-6-iodo-2-(propylthio)-
![2-methyl-4-(2-morpholin-4-yl-1-phenylethyl)pyrido[3,2-b][1,4]oxazin-3-one;dihydrochloride](/structure/88809-41-0.png)
2-methyl-4-(2-morpholin-4-yl-1-phenylethyl)pyrido[3,2-b][1,4]oxazin-3-one;dihydrochloride
![(2S,11bR)-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-amine dihydrochloride](/structure/39630-41-6.png)
(2S,11bR)-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-amine dihydrochloride