1-((吡啶-2-基)甲基)-4-哌啶酮

8-氟-2,3,4,5-四氢-1H-吡啶并[4,3-b]吲哚

1-异戊基四氢-4(1h)-吡啶酮

1-((吡啶-3-基)甲基)-4-哌啶酮

1-(4-氯苄基)-4-哌啶酮