124-38-9
二氧化碳
+
142851-03-4
N-Boc-4-哌啶甲酸乙酯
→
~30%
1093214-64-2
4-ethoxycarbonyl-1-[(2-methylpropan-2-yl)oxycarbonyl]piperidine-4-carboxylic acid