China Sitafloxacin 8-Chloro-6, 7-Difluoro-1- ((1R, 2S)-2-fluorocyclopropyl) -4-Oxo-1, 4-Dihydroquinoline-3-Carboxylic Acid CAS 127199-27-3, Find details about China CAS 127199-27-3, Acid from Sitafloxacin 8-Chloro-6, 7-Difluoro-1- ((1R, 2S)-2-fluorocyclopropyl) -4-Oxo-1, 4-Dihydroquinoline-3-Carboxylic Acid CAS 127199-27-3