methyl 2-phenylimidazo[1,2-a]pyridine-7-carboxylate

2-氨基异烟酰肼

2-acetamidopyridine-4-carboxamide

2-Boc-氨基-4-甲酰基吡啶

2-氨基-5-溴异烟酸甲酯