(E)-1-benzimidazolyl-1,2-dibenzoylethylene

meso-2,3-dibromo-1,4-diphenyl-1,4-butanedione

(E)-1-(2-phenylbenzimidazolyl)-1,2-dibenzoylethylene

1,2-联苯甲酰乙烷

2-iodo-1-phenylethanone