4-氯-2,6-二甲氧基吡啶

1-(6-甲氧基哌啶)哌嗪

2,6-di(imidazol-1-yl)pyridine

methyl 5-formyl-6-methoxypyridine-2-carboxylate

2,6-吡啶二羧酸二丁酯