Synonyms: BRN 4279836;(S)-1-(2,4-Difluorophenyl)-6-fluoro-1,4-dihydro-5-methyl-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid;3-Quinolinecarboxylic acid, 1,4-dihydro-1-(2,4-difluorophenyl)-6-fluoro-5-methyl-7-(3-methyl-1-piperazinyl)-4-oxo-, (S)-;AC1L55ZU;LS-141578;1-(2,4-difluorophenyl)-6-fluoro-5-methyl-7-[(3S)-3-methylpiperazin-1-yl]-4-oxoquinoline-3-carboxylic acid;146981-12-6