N2-(2-甲氧基乙基)-2,5-吡啶二胺

6-氯-5-碘-3-吡啶醇

1-benzyl-5-nitropyridin-2-one

(5-硝基吡啶-2-基)丙二酸二乙酯

N-(6-oxo-1H-pyridin-3-yl)benzamide