67-56-1
甲醇
+
29976-53-2
N-乙氧羰基-4-哌啶酮
→
~81%
83898-43-5
3-羟基-4,4-二甲氧基-1-哌啶羧酸乙酯
124-41-4
甲醇钠
~56%
95629-02-0
3-溴-4-氧代哌啶-1-甲酸乙酯