4-methyl-3-pyridin-4-yl-1H-1,2,4-triazol-5-one

N-(anilinocarbamothioyl)pyridine-4-carboxamide

N’-(2-呋喃基亚甲基)异尼古丁酰肼

5-(吡啶-4-基)-1,3,4-噁二唑-2-胺

N-[(E)-(2,3-dimethoxyphenyl)methylideneamino]pyridine-4-carboxamide