甲氧基乙酸

3,5-dimethoxy-2-methylcyclohexa-2,5-diene-1,4-dione

2,3,5,6-四甲氧基环己-2,5-二烯-1,4-二酮

2,4,6-三甲氧基苯酚

1-(2,3,4,5,6-pentamethoxyphenyl)ethanone