label: 1,2-dihydro-9,1-(epoxymethano)-7-fluoro-8-(4-methyl-1-piperazinyl)-5-oxo-5H-thiazolo(3,2-a)quinoline-4-carboxylic acid
label_lc: 1,2-dihydro-9,1-(epoxymethano)-7-fluoro-8-(4-methyl-1-piperazinyl)-5-oxo-5h-thiazolo(3,2-a)quinoline-4-carboxylic acid