3-benzyl-2-benzylmercapto-5,5-diphenyl-3,5-dihydro-imidazol-4-one

5,5-二苯基-2-硫代海因

4-methylsulfanyl-5,5-diphenyl-1,5-dihydro-imidazol-2-one

2,2-二苯基甘氨酸