61319-86-6 | 1H-Pyrrole-1,3-dicarboxylic acid, 2,5-dihydro-4-(3-pyridinylamino)-, diethyl ester | C15H19N3O4 |
61319-92-4 | 2H-Pyrrolo[3,4-b][1,7]naphthyridine-2-carboxylic acid, 1,3,4,9-tetrahydro-9-oxo-, ethyl ester | C13H13N3O3 |
61319-95-7 | 2H-Pyrrolo[3,4-b][1,7]naphthyridine-2-carboxylic acid, 9-chloro-1,3-dihydro-, ethyl ester | C13H12ClN3O2 |