label: 1-cyclopropyl-6-fluoro-8-difluoromethoxy-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid hydrochloride
label_lc: 1-cyclopropyl-6-fluoro-8-difluoromethoxy-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid hydrochloride