3-bromo-2-hydroxy-4,5-dimethoxybenzaldehyde

1,2,4-三甲氧基-5-硝基-苯

2-羟基-4,5-二甲氧基苯甲酸甲酯

2-(2,4,5-trimethoxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-one

8,8-dimethyl-3-(2,4,5-trimethoxyphenyl)pyrano[2,3-f]chromen-4-one