英文别名4-Phenyl-1-(2-sulfanylethyl)-2-imidazolidinone; 1-(2-Mercaptoethyl)-4-phenyl-2-imidazolidinone; 2-Oxo-3-(2-mercaptoethyl)-5-phenylimidazolidine; DL-2-Oxo-3-(2-Mercaptoethyl)-5-phenylimidazolidine; 2-Imidazolidinone, 1-(2-mercaptoethyl)-4-phenyl-; Levamisole EP Impurity C; Levamisole Impurity 3 
