1-bromo-4-[1,2-dibromo-2-(4-bromophenyl)ethyl]benzene

4,5-bis-(4-bromo-phenyl)-1,3-dihydro-imidazol-2-one

醋酸

4,5-diethoxy-4,5-bis-(4-bromo-phenyl)-imidazolidin-2-one

硝酸