4-甲氧基苯偶酰

cis 1,4-bis (4-methoxyphenyl)-2,3-diphenyl-2-butene-1,4-dione

trans 1,4-bis (4-methoxyphenyl)-2,3-diphenyl-2-butene-1,4-dione

凯素灵

4-甲氧基二苯甲酮