1-(2-mercaptoethyl)-4-phenylimidazolidin-2-one; 2-oxo-3-(2-mercaptoethyl)-5-phenylimidazolidine; 4-phenyl-1-(2-sulfanylethyl)imidazolidin-2-one; 2-Oxo-3-(2-mercaptoethyl)-5-phenylimidazolidine; 1-(2-Mercaptoethyl)-4-phenyl-2-imidazolidinone
1-(2-mercaptoethyl)-4-phenylimidazolidin-2-one; 2-oxo-3-(2-mercaptoethyl)-5-phenylimidazolidine; 4-phenyl-1-(2-sulfanylethyl)imidazolidin-2-one; 2-Oxo-3-(2-mercaptoethyl)-5-phenylimidazolidine; 1-(2-Mercaptoethyl)-4-phenyl-2-imidazolidinone