518990-24-4
2-氧代-2-(1-Boc-4-氧代-3-哌啶)乙酸乙酯
→
~83%
518990-23-3
5-叔丁基-3-乙基-1,4,6,7-四氢-5H-吡唑并[4,3-c]吡啶-3,5-二羧酸
518990-56-2
5-(叔丁氧基羰基) 4,5,6,7-四氢-1H-吡唑并[4,3-c]吡啶-3-羧酸