1-(3,6-二羟基-2,4-二甲氧基苯基)-乙酮

2-chloro-1-(2-hydroxy-3,4-dimethoxyphenyl)ethanone

(4-chlorophenyl)-(2-hydroxy-3,4-dimethoxyphenyl)methanone

(2-hydroxy-3,4-dimethoxyphenyl)-phenylmethanone

2,3,4-trimethoxybenzophenone