4-(4-(二甲基氨基)苯乙烯)-N-甲基碘化吡啶

N,N-dimethyl-4-[2-(1-methylpyridin-1-ium-4-yl)ethenyl]aniline

4-[(E)-2-(1-benzothiophen-3-yl)ethenyl]-1-methylpyridin-1-ium,iodide

4-[(E)-2-(1-methylpyridin-1-ium-4-yl)ethenyl]quinoline,iodide