![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-

![4H-Pyrrolo[2,3-c][1,8]naphthyridin-4-one, 3,5-dihydro-3-methyl-](/structure/62289-92-3.png)
4H-Pyrrolo[2,3-c][1,8]naphthyridin-4-one, 3,5-dihydro-3-methyl-
![3,6-dimethyl-2,3,3a,4,5,6-hexahydro-1H-indolo[3,2,1-de][1,5]naphthyridin-6-ol](/structure/65284-92-6.png)
3,6-dimethyl-2,3,3a,4,5,6-hexahydro-1H-indolo[3,2,1-de][1,5]naphthyridin-6-ol
![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-
![Phenol,2-[4-[2-(3,4,6,7,8,9-hexahydrobenzo[b][1,6]naphthyridin-2(1H)-yl)ethyl]-1-piperazinyl]-, benzoate (ester)](/structure/89009-92-7.png)

![1,8-Naphthyridin-2(1H)-one,4-(1-oxopropoxy)-3-[2-(1-oxopropoxy)ethyl]-1-phenyl-](/structure/89108-92-9.png)
1,8-Naphthyridin-2(1H)-one,4-(1-oxopropoxy)-3-[2-(1-oxopropoxy)ethyl]-1-phenyl-


4-chloro-N,N-diethyl-2-(propylamino)-1,8-naphthyridine-3-carboxamide
![1,8-Naphthyridin-4-amine, N-[2-[3-(1-azidoethyl)phenoxy]-5-chlorophenyl]-7-propyl-](/structure/943619-25-8.png)
1,8-Naphthyridin-4-amine, N-[2-[3-(1-azidoethyl)phenoxy]-5-chlorophenyl]-7-propyl-
![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.
![6-(7-chloro-1,8-naphthyridin-2-yl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one](/structure/55112-92-0.png)
6-(7-chloro-1,8-naphthyridin-2-yl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

![Isoxazolo[5,4-c][2,7]naphthyridin-5(4H)-one,7-acetyl-6,7,8,9-tetrahydro-1,4-dimethyl-](/structure/89246-92-4.png)
Isoxazolo[5,4-c][2,7]naphthyridin-5(4H)-one,7-acetyl-6,7,8,9-tetrahydro-1,4-dimethyl-
![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
![Propanamide,3-[[[4-[3-(hydroxymethyl)-9-phenyl-1,2,4-triazolo[3,4-f][1,6]naphthyridin-8-yl]phenyl]methyl]amino]-N-(4-hydroxyphenyl)-](/structure/917360-25-9.png)
![Benzenemethanamine,4-[9-phenyl-3-(4-thiazolyl)-1,2,4-triazolo[3,4-f][1,6]naphthyridin-8-yl]-](/structure/917362-92-6.png)
Benzenemethanamine,4-[9-phenyl-3-(4-thiazolyl)-1,2,4-triazolo[3,4-f][1,6]naphthyridin-8-yl]-
![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-

1,8-Naphthyridin-4(1H)-one, 5,6,7,8-tetrahydro-2,8-dimethyl-
![IMIDAZO[1,2-H][1,7]NAPHTHYRIDINE,9-ETHYL-8-METHYL-](/structure/421595-92-8.png)



![N-{4-oxo-2-[(E)-2-phenylethenyl]quinazolin-3(4H)-yl}-2-{4-[(2-phenyl-1,8-naphthyridin-3-yl)carbonyl]phenoxy}acetamide](/structure/136603-25-3.png)
![6-(7-chloro-1,8-naphthyridin-2-yl)-2,3,6,7-tetrahydro-7-hydroxy-5H-1,4-dithiino[2,3-c]pyrrol-5-one](/structure/53788-25-3.png)
6-(7-chloro-1,8-naphthyridin-2-yl)-2,3,6,7-tetrahydro-7-hydroxy-5H-1,4-dithiino[2,3-c]pyrrol-5-one


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
![2-Furancarboxamide,N-[[4-(3-methyl-9-phenyl-1,2,4-triazolo[3,4-f][1,6]naphthyridin-8-yl)phenyl]methyl]-5-(4-pyridinyl)-](/structure/917361-92-3.png)

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