5-溴-2,3-二甲氧基苯甲醛

5-溴-2-羟基-3-甲氧基苯甲醛

3-hydroxy-4,5-dimethoxybenzonitrile

1-bromo-3-hydroxy-4,5-dimethoxybenzene

2,3-dimethoxy-1,6-dihydroxybenzene