(S)-9-fluoro-10-(3-hydroxypropanoyl)-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid;(3S)-9-Fluoro-2,3-dihydro-10-(3-hydroxy-1-oxopropyl)-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
(S)-9-fluoro-10-(3-hydroxypropanoyl)-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid;(3S)-9-Fluoro-2,3-dihydro-10-(3-hydroxy-1-oxopropyl)-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid