4,4'-二壬基-2,2'-联吡啶

2-(2-吡啶)-苯并咪唑

1-丁基-4-甲基氯化吡啶鎓

1-ethyl-4-methylpyridin-1-ium,bromide

1-butyl-4-methylpyridin-1-ium,iodide