7-acetilamino-6-fluoro-4-idrossichinolin-3-carbossilato di etile

ethyl 6-fluoro-4-hydroxy-7-(1H-pyrrol-1-yl)quinoline-3-carboxylic acid

diethyl 4-fluoro-3-(1H-pyrrol-1-yl)anilinomethylenemalonate

7-amino-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid ethyl ester

6-fluoro-4-oxo-7-pyrrol-1-yl-1H-quinoline-3-carboxylic acid