127254-10-8(ACETATE) 127254-12-0 163253-36-9 (HEMIHYDRATE) 163253-37-0 (MONOHYDRATE) 3-Quinolinecarboxylic acid, 7-[(7S)-7-amino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo- 7-((7S)-7-Amino-5-azaspiro[2.4]hept-5-yl)-1-((1S,2S)-2-fluorocyclopropyl)-8-chloro-6-fluoro-4-oxohydroquinoline-3-carboxylic acid AIDS-029511 AIDS029511 DU 6859 DU 6859a DU-6859a STFX Sitafloxacin