左氧氟单酯是一种化学物质。英文别名：2，3，4，5-Tetrafluorobenzoyl acetic acid， ethyl ester; Methyl (2，3，4，5-Tetrafluoro-Benzoyl)Acetate; 3-oxo-3-(2，3，4，5-tetrafluoro-phenyl)-propionic acid ethyl ester; Ethyl(2，3，4，5-tetrafluorobenzo; ethyl 3-oxo-3-(2，3，4，5-tetrafluorophenyl)propanoate