![2H-Pyrrolo[3,4-b][1,7]naphthyridine-2-carboxylic acid,1,3,4,9-tetrahydro-9-oxo-, ethyl ester](/structure/61319-92-4.png)
2H-Pyrrolo[3,4-b][1,7]naphthyridine-2-carboxylic acid,1,3,4,9-tetrahydro-9-oxo-, ethyl ester
![2H-Pyrrolo[3,4-b][1,7]naphthyridine-2-carboxylic acid,1,3,4,9-tetrahydro-9-oxo-, ethyl ester](/structure/61319-92-4.png)
2H-Pyrrolo[3,4-b][1,7]naphthyridine-2-carboxylic acid,1,3,4,9-tetrahydro-9-oxo-, ethyl ester
![1,5-Naphthyridine, 6-[(4-chlorophenyl)thio]-1,2-dihydro-2,2,4-trimethyl-](/structure/88724-25-8.png)
1,5-Naphthyridine, 6-[(4-chlorophenyl)thio]-1,2-dihydro-2,2,4-trimethyl-
![1,8-Naphthyridine-3-carboxylic acid,7-[(3S)-3-amino-1-pyrrolidinyl]-6-fluoro-1,4-dihydro-4-oxo-](/structure/635306-25-1.png)
1,8-Naphthyridine-3-carboxylic acid,7-[(3S)-3-amino-1-pyrrolidinyl]-6-fluoro-1,4-dihydro-4-oxo-

1,8-Naphthyridine-3-carboxylicacid, 7-(3-amino-1-azetidinyl)-1-ethenyl-6-fluoro-1,4-dihydro-4-oxo-


4-chloro-N,N-diethyl-2-(propylamino)-1,8-naphthyridine-3-carboxamide
![1H-Indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine,eburnamenin-14(15H)-one deriv.](/structure/103680-25-7.png)
1H-Indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine,eburnamenin-14(15H)-one deriv.

![1,8-Naphthyridine,7-[4-(4-morpholinylsulfonyl)phenoxy]-2,4-bis(trifluoromethyl)-](/structure/338412-25-2.png)
1,8-Naphthyridine,7-[4-(4-morpholinylsulfonyl)phenoxy]-2,4-bis(trifluoromethyl)-
![(8aS,9E)-9-Ethylidene-8,8aα,9,10-tetrahydro-12β-hydroxyindolo[3,2,1-ij]pyrano[3,4-b][1,5]naphthyridine-12aα(12H)-carboxylic acid methyl ester](/structure/30809-25-7.png)

1,8-Naphthyridine-3-carboxylic acid, 1,2-dihydro-2-oxo-, hydrazide
![8H-Benzo[h]cyclopenta[b][1,6]naphthyridine, 9,10-dihydro-6-methyl-](/structure/63482-25-7.png)
8H-Benzo[h]cyclopenta[b][1,6]naphthyridine, 9,10-dihydro-6-methyl-
![IMIDAZO[1,2-H][1,7]NAPHTHYRIDINE,9-ETHYL-8-METHYL-](/structure/421595-92-8.png)





1,8-Naphthyridine,7-(4-phenyl-1-piperazinyl)-2,4-bis(trifluoromethyl)-

1,5-Naphthyridine-3-carboxamide,1,2-dihydro-4-hydroxy-2-oxo-7-(phenylmethyl)-
![Benzo[b][1,7]naphthyridine, 1,2,3,4-tetrahydro-5-methyl-,dihydrochloride](/structure/61643-92-3.png)
Benzo[b][1,7]naphthyridine, 1,2,3,4-tetrahydro-5-methyl-,dihydrochloride

1,6-Naphthyridine-8-carbonitrile,5-amino-7-(4-morpholinyl)-2,4-diphenyl-


![Heptanamide,N,N'-[1,2-diazenediylbis[(4-cyano-4-methyl-1-oxo-4,1-butanediyl)imino-1,8-naphthyridine-7,2-diyl]]bis-](/structure/916251-25-7.png)
![[1,2,4]Triazolo[4,3-a][1,8]naphthyridine-6-carboxamide,N,N-diethyl-5-(ethylamino)-9-(1-methylethyl)-](/structure/327160-25-8.png)
[1,2,4]Triazolo[4,3-a][1,8]naphthyridine-6-carboxamide,N,N-diethyl-5-(ethylamino)-9-(1-methylethyl)-

![N-cyclopropyl-1,4-dihydro-4-oxo-1-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]- 1,8-Naphthyridine-3-carboxamide](/structure/701263-25-4.png)
![1,7-Naphthyridine-5-carboxylic acid,8-[(1-carboxy-1,2-dimethylpropyl)amino]-6,7-dihydro-6-oxo-, 5-methylester](/structure/137997-92-3.png)

2-hydroxy-N',N'-dimethyl-4-oxo-1-phenyl-1,4-dihydro-1,8-naphthyridine-3-carbohydrazide

![6-fluoro-1-(2-fluoroethyl)-7-[3-(methylamino)pyrrolidin-1-yl]-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid](/structure/84424-25-9.png)

1,8-Naphthyridine-2-carboxylic acid,5,8-dihydro-4-methyl-5-oxo-8-phenyl-7-(phenylamino)-

![[1,2,4]Triazolo[4,3-a][1,8]naphthyridine,9-(2,4-dichlorophenyl)-6-(4-methoxyphenyl)-](/structure/477849-25-5.png)
[1,2,4]Triazolo[4,3-a][1,8]naphthyridine,9-(2,4-dichlorophenyl)-6-(4-methoxyphenyl)-
![1,8-Naphthyridine, 5-[3-(2-pyridinylmethoxy)phenyl]-2-(trifluoromethyl)-](/structure/488799-25-3.png)
1,8-Naphthyridine, 5-[3-(2-pyridinylmethoxy)phenyl]-2-(trifluoromethyl)-
![Thieno[2,3-b][1,6]naphthyridine-2-carbonitrile,3-amino-5,6,7,8-tetrahydro-6-(phenylmethyl)-](/structure/607699-25-2.png)
Thieno[2,3-b][1,6]naphthyridine-2-carbonitrile,3-amino-5,6,7,8-tetrahydro-6-(phenylmethyl)-