N,N-二甲基-2-(三丁基锡烷基)-4-吡啶胺

2-碘-N,N-二甲基-4-吡啶胺

3-chloro-5-methoxy-1-benzothiophene-2-carbonyl chloride

4-硝基苯酚阴离子

1-benzoyl-4-(dimethylamino)pyridin-1-ium