4-甲氧基吡啶-N-氧化物

4-二甲氨基哌啶

4-(dimethylamino)-1-(4-nitrophenethyl)pyridin-1-ium bromide

4-(dimethylamino)pyridinium cation

2-(1-methylpyridin-1-ium-4-yl)-2-oxo-1-phenylethan-1-ide