水杨酸乙酯

4-(2-chlorobenzoyl)-3,5-dihydroxyphenyl 2-chlorobenzoate

(2-hydroxyphenyl)(2,4,6-trihydroxyphenyl)methanone

4,6-dimethoxy-2-hydroxy-2'-methoxybenzophenone

2'-ethoxy-2-hydroxy-4,6-dimethoxy-benzophenone