1-(2-phenyl-5-pyridin-3-yl-2H-1,3,4-oxadiazol-3-yl)ethanone

N-[(Z)-butan-2-ylideneamino]pyridine-3-carboxamide

N-(cyclohexylideneamino)-1-pyridin-3-ylmethanamine

N'-(3-nitrosobut-2-en-2-yl)pyridine-3-carbohydrazide

N'-[4-(dimethylamino)benzylidene]pyridine-3-carbohydrazide