2-bromo-1,4-bis(bromomethyl)benzene

6 - 甲氧基-1,4 - 二甲基-9H-咔唑

[2,5-bis(bromomethyl)phenyl]-dimethyl-octylsilane

2,5-二甲基苯甲酰氯

椭圆玫瑰树碱溶液