ethyl 7-bromo-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate

3-Quinolinecarboxylic acid,1-cyclopropyl-7-(2,6-dimethyl-4-pyridinyl)-6-fluoro-1,4-dihydro-4-oxo-,ethyl ester

ethyl 1-cyclopropyl-6-fluoro-1,4-dihydro-7-<2-(acetoxymethyl)-6-methyl-4-pyridinyl>-4-oxo-3-quinolinecarboxylate