4-溴吡啶与碘甲烷一步反应即可制备，合成简单。

Name:4-bromo-1-methylpyridin-1-ium

Chemical Formula: C6H7BrN+

Molecular Weight: 173.0325 m/z: 171.9757 (100.0%), 173.9736 (97.3%), 172.9790 (6.5%), 174.9770 (6.3%) Elemental Analysis: C, 41.65; H, 4.08; Br, 46.18; N, 8.10