1-甲基-4-哌啶甲醇

4-氰奎宁环

5-(1-甲基-4-哌啶基)-1,3,4-氧杂二唑-2-胺

1-Aza-双环[2.2.2]辛烷-4-羧酸

(1-methylpiperidin-4-yl)-diphenylmethanol