(pyridine-2-carbonylamino)thiourea

3-pyridin-2-yl-[1,2,4]triazolo[4,3-a]pyridine

N'-benzoylpyridine-2-carbohydrazide

2-肼基羰基吡啶 1-氧化物

N-(4,5,6,7-Tetrahydro-1,3-benzothiazol-2-yl)-2-pyridinecarboxamid e