98-98-6
2-吡啶甲酸
+
16867-03-1
2-氨基-3-羟基吡啶
→
~80%
52333-71-8
2-pyridin-2-yl-[1,3]oxazolo[4,5-b]pyridine
109-09-1
2-氯吡啶
273-97-2
噁唑并[4,5-b]吡啶
~33%