N-(indol-3-ylidenemethyl)pyridine-4-carbohydrazide

N'-cyclohexylpyridine-4-carbohydrazide

N-[(Z)-(4,7,7-trimethyl-3-bicyclo[2.2.1]heptanylidene)amino]pyridine-4-carboxamide

N'-(2-甲基环己亚基)异烟酰肼

N'-(3-甲基环己亚基)异烟酰肼