英文别名1-cyclopropyl-6,7-difluoro-1,4-dihydro-8-hydroxy-4-oxo-3-quinolinecarboxylic acid ethyl ester; Moxifloxacin Impurity 4; Moxifloxacin impurity R; Moxifloxacin Impurity 26; 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-hydroxy-4-oxo-3-quinolinecarboxylic Acid Ethyl; Moxifloxacin Impurity N; Moxifloxacin impurity 25; Moxifloxacin Difluoro Hydroxy Ethyl Ester; Moxifloxacin-15