4-羟基-哌啶-1-甲腈

1-(环丙基甲基)哌啶-4-醇

1-[(2,2-dimethyl-1,3-dioxolan-4-yl)methyl]piperidin-4-ol

1-(2-phenylethenylsulfonyl)piperidin-4-ol

1-(4-哌啶基甲基)-4-哌啶醇