1,2-二苯甲酰基-1,2-二溴乙烷

1,4-二苯基丁-2-炔-1,4-二醇

(E)-2,3-dibromo-1,4-diphenyl-2-butene-1,4-dione

1,4-diphenyl-3-triphenylphosporanylidenebutane-1,2,4-trione

反-1,2-二苯酰乙烯