1-(4-哌啶基)-1H-吡唑-4-硼酸频那醇盐酸盐

4-Meth硫代哌啶

4-(2-溴苯磺酰基)-哌啶-1-羧酸叔丁酯

4-(3-溴苯磺酰基)哌啶-1-羧酸叔丁酯

4-(2-溴苯氧基)哌啶-1-羧酸叔丁酯