2,3,6,7-四甲氧基蒽醌

1,2-二(3,4-二甲氧基苯基)乙烷-1,2-二酮

3,4-二甲氧基苯甲酸

3-(3,4-dimethoxyphenyl)-6,7-dimethoxy-1-methylisoquinoline

(Z)-4,4'-(1-chloroethene-1,2-diyl)bis(1,2-dimethoxybenzene)