7-(3(R)-amino-2(S)-methyl-1-azetidinyl)-1 cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
7-(3(r)-amino-2(s)-methyl-1-azetidinyl)-1 cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid