Floxacin carboxylic acid

9,10-Difl-2,3-dihydro-2-methyl-7-oxo-7H-pyrido[1,2,3- de]-1,4-benzoxazine-6-carb

9,10-Difl-2,3-dihydro-2-methyl-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carb.acid

9,10-difluoro-2,3-dihydro-2-methyl-7-oxo-7h-pyrido[1,2,3-de]-1,4-benzoxazine-6-carbo

9,10-Difluoro-2,3-dihydro-2-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic

9,10-DIFL-2,3-DIHYDRO-2-METHYL-7-OXO-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID