2-(furan-2-ylmethyl)-1-azabicyclo[2.2.2]octan-3-one

3-[6-(trifluoromethyl)pyrazin-2-yl]-1-azabicyclo[2.2.2]octan-3-ol

(3S)-N-[(1R)-1-Phenylethyl]quinuclidin-3-amine

4-哌啶甲酸

3-亚甲基-1-氮杂双环[2.2.2]辛烷