6-羟基-3-甲基吡啶-2-羧酸

甘油

3-methyl-1-[2-(3-methylpyridin-1-ium-1-yl)ethyl]pyridin-1-ium,bromide

3-methyl-1-(4-nitrophenethyl)pyridin-1-ium bromide

环氧丙烷