英文别名3-Quinolinecarboxylic acid, 8-chloro-6,7-difluoro-1-(2-fluorocyclopropyl)-1,4-dihydro-4-oxo-,ethyl ester; Sitafloxacin Impurity 62; 3-Quinolinecarboxylic acid, 8-chloro-6,7-difluoro-1-(2-fluorocyclopropyl)-1,4-dihydro-4-oxo-, ethyl ester, (1R-cis)- (9CI)