1-N-Boc-O-甲磺酰－羟乙基哌啶

4-(2-羟乙基)哌啶-1-苯甲醛

2-(1-((2,3-二氢苯并[b][1,4]二噁英-2-基)甲基)哌啶-4-基)乙醇

1-甲基-4-(羟基乙基)哌啶

N-Boc-4-哌啶乙醇