英文别名:
Levofloxacin Tetrafluoro Impurity 2;ethyl (Z)-3-ethoxy-2-(2,3,4,5-tetrafluorobenzoyl)acrylate;3-(2,3,4,5-tetrafluorophenyl)-3-oxo-2-(ethoxymethylene)-propanoic acid ethyl ester;Benzenepropanoic acid, α-(ethoxymethylene)-2,3,4,5-tetrafluoro-β-oxo-, ethyl ester, (αZ)-;Benzenepropanoic acid, α-(ethoxymethylene)-2,3,4,5-tetrafluoro-β-oxo-, ethyl ester, (αZ)-