5-(3-吡啶基)-1,3,4-噁二唑-2-硫醇

2-苯氧基吡啶-3-羰酰氯

2-phenyl-5-pyridin-3-yl-1,3,4-oxadiazole

N'-[(Z)-(3-methoxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]pyridine-3-carbohydrazide

烟酸