1-phenacylpyridin-1-ium-4-carbonitrile,bromide

N-(3,4-二氯苯基)异烟脒

N-(1-adamantyl)pyridine-4-carboxamide

N-(4-甲氧基苯基)异烟脒

N'-(2-methoxyphenyl)pyridine-4-carboximidamide