3-phenylpyrido[3,4-e][1,2,4]triazine

4-(哌啶-1-基)吡啶-3-胺

1-phenylimidazo[4,5-c]pyridine

ethyl 2-cyano-2-(3-nitropyridin-4-yl)acetate

3-nitro-4-(4'-biphenylamino)pyridine