6-fluoro-1-(4-fluorophenyl)-7-(4-methylpiperazin-1-yl)-4-oxoquinoline-3-carboxylic acid 6-fluoro-1-(4-fluorophenyl)-7-(4-methylpiperazin-1-yl)-4-oxo-quinoline-3-carboxylic acid 6-fluoro-1-(4-fluorophenyl)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid 6-fluoro-1-(4-fluorophenyl)-4-keto-7-(4-methylpiperazin-1-yl)quinoline-3-carboxylic acid 98106-17-3 91296-86-5 (HYDROCHLORIDE) A 56619 AIDS-007684 AIDS007684 NCGC00166308-01 C11234 Difloxacin BB_SC-4836 3-Quinolinecarboxylic acid, 6-fluoro-1-(4-fluorophenyl)-1,4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo- 6-Fluoro-1-(4-fluorophenyl)-7-(4-methyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid 6-Fluoro-1-(4-fluorophenyl)-1,4-dihydro-7-(4- methyl-1- piperazinyl)-4-oxo-3- quinolinecarboxylic acid