3-溴-4,5-二甲氧基苯酚

2-[(3-bromo-4-hydroxy-5-methoxyphenyl)methylidene]propanedinitrile

3-溴-4,5-二羟基苄醇

2-bromo-6-methoxy-4-methylidenecyclohexa-2,5-dien-1-one

2-bromo-4-ethylidene-6-methoxycyclohexa-2,5-dien-1-one