吡唑并[1,5-a]吡啶-2(1H)-酮

鹰爪豆碱

(2,2-difluoro-2-pyridin-2-ylethyl) trifluoromethanesulfonate

2,2-二氟-2-吡啶-2-甲醇

2-哌啶乙酸乙酯