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