4,5-dihydroxy-1,3-dimethyl-4,5-diphenylimidazolidin-2-one

苯-1,2-二胺盐酸盐

二乙基酮醇

5-羟基-4-辛酮

2-hydroxy-1,2-diphenyl-3-piperidin-1-ylpropan-1-one