isopropyl 4-(4,6-dimethyl-2-oxo-3a,6a-diphenyl-5-thioxooctahydroimidazo[4,5-d]imidazol-1-yl)-butanoate

N,N′-二甲基硫脲

联苯甲酰

isopropyl [2-(4,6-dimethyl-2-oxo-3a,6a-diphenyl-5-thioxooctahydroimidazo[4,5-d]imidazol-1-yl)-1-oxoethylamino]acetate

methyl (4,6-dimethyl-2-oxo-3a,6a-diphenyl-5-thioxooctahydroimidazo[4,5-d]imidazol-1-yl)acetate