二溴乙烷

三苯基磷

3,5-dibromo-1-vinylpyridinium bromide

2-(1-carboxy-2-chloroethyl)-7-methoxy-1-methyl-9H-pyrido[3,4-b]indol-2-ium chloride

2-(2-bromo-1-carboxyethyl)-7-methoxy-1-methyl-9H-pyrido[3,4-b]indol-2-ium bromide