1-benzyl-[1,2,4]triazolo[4,3-a]pyridin-4-ium-3-olate

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

3-(2-噻吩)-1,2,4-噻唑并[4,3-a]吡啶

5-phenyl-2-pyridin-2-ylpyrazol-3-amine

N'-pyridin-2-ylbenzohydrazide