138372-62-0 7H-Pyrido(1,2,3-de)-1,4-benzothiazine-6-carboxylic acid, 9-fluoro-3-(fluoromethyl)-2,3-dihydro-10-(4-methyl-1-piperazinyl)-7-oxo- 9-Fluoro-3-(fluoromethyl)-2,3-dihydro-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido(1,2,3-de)-1,4-benzothiazine-6-carboxylic acid 9-Fluoro-3-fluoromethyl-10(N-(4'-methyl)piperazinyl)-7-oxo-2,3-dihydro-7H-pyrido(1,2,3de)(1,4)benzothiazine-6-carboxylic acid MF 961 MF-961