(5-溴-2-呋喃基)(1-哌啶基)甲酮

1-(4-ethoxyphenyl)-2-piperidin-1-ylpropan-1-one

1,2,3,4-四氢-9-(1-哌啶基)吖啶

1-piperidin-1-ylhept-2-yn-4-ol

1-(2-丙炔)哌啶