4-(2,5-二甲氧基苯基)丁酸

7-bromo-5,8-dimethoxy-3,4-dihydro-2H-naphthalen-1-one

7-bromo-5,8-dimethoxy-1,2,3,4-tetrahydro-1-naphthol

4-(4'-bromo-2',5'-dimethoxyphenyl)butyric acid

2-ethyl-4-(2'5'-dimethoxyphenyl) butyric acid