109-04-6
邻溴吡啶
+
109384-19-2
N-Boc-4-羟基哌啶
→
~81%
313490-35-6
1-Boc-4-(2-吡啶氧基)哌啶
142-08-5
2-羟基吡啶
1972-28-7
偶氮二甲酸二乙酯
109-09-1
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