2-(3,4-二甲氧基苯基)-2-羟基乙酸乙酯

bis-(3,4-dimethoxy-phenyl)-acetic acid ethyl ester

3,6-diiodobenzene-1,2-diol

2,3-bis(bromomethyl)-6,7-dimethoxyquinoxaline

1-(3,4-dimethoxyphenyl)prop-2-en-1-one