1,2-二-1,1''-联苯-4-基乙烷-1,2-二酮

5,5-bis(4-bromophenyl)imidazolidine-2,4-dione

bis(4-bromophenyl)glycoluril

3,4-bis(4-bromophenyl)-2,5-diphenylcyclopenta-2,4-dien-1-one