127199-06-8

DU 6858 SitafloxacinisomerⅡ(RSR) Sitafloxacin Impurity 21 7-((R)-7-amino-5-azaspiro Sitafloxacin Isomer Impurity 2 sitafloxacin hydrate Impurity 21 Sitafloxacin Isomer Impurity 4(RSR) 7-[(7R)-7-Amino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-1 7-[(7R)-7-Amino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid 7-[(7R)-7-amino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluoro-cyclopropyl]-1,4-dihydro-4-oxo-Quinolin-3-carboxylic acid 3-Quinolinecarboxylic acid, 7-[(7R)-7-aMino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo-