6-[2-(2-bromo-4,5-dimethoxyphenyl)ethenyl]-2,3-dimethoxyphenol

benzoic acid,3,4,5-trimethoxyphenol

1,5-二氯-2,3,4-三甲氧基苯

2,3,4-trimethoxybenzamide

1-ethyl-2,3,4-trimethoxybenzene