8-fluoro-9-[3-(4-methoxy-phenyl)-3a,4,6,6a-tetrahydro-pyrrolo[3,4-d]isoxazol-5-yl]-(3S)-3-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid
10-[cis-3-(4-methoxyphenyl)-3a,4,6,6a-tetrahydro-pyrrolo[3,4-d]isoxazol-5-yl]-(3S)-(-)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido-[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid
levofloxacin
(R)-ofloxacin