8-FLUORO-9-(4-METHYL-PIPERAZIN-1-YL)-6-OXO-2,3-DIHYDRO-6H-1-THIA-3A-AZA-PHENALENE-5-CARBOXYLIC ACID

9-Fluom-2，3-dihydro-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1，2，3-de]-1，4-benzothiazine-6-carboxylic acid

9-Fluoro-2,3-dihydro-10-(4-methylpiperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzothiazine-6-carboxylic acid