25700-13-4
→
~80%
762240-09-5
4-(1H-吡唑)-哌啶
141699-59-4
1-Boc-4-甲烷磺酰氧基哌啶
109384-19-2
N-Boc-4-羟基哌啶
1120-87-2
4-溴吡啶
1269429-29-9
4-(1H-吡唑-1-基)哌啶-1-羧酸叔丁酯