(2-fluoro-4,6-dimethoxyphenyl)(2-hydroxy-4,5-dimethoxyphenyl)methanone

2,4,6-trimethoxy-2'-hydroxy-4',5'-dimethoxybenzophenone

2,4,5-三甲氧基苯甲酸

1,3-二甲氧基-5-氟苯