1-溴-2,6-二甲氧基苯

methyl 5-[1-cyano-2-oxo-2-(2,3,4-trimethoxyphenyl)ethylidene]prolinate

1,2,3-trimethoxy-4-[(2,3,4-trimethoxyphenyl)sulfonyl]benzene

2,6-dimethoxyphenol,methanesulfonic acid

methyl 3-(2,3,4-trimethoxyphenyl)prop-2-enoate