N-叔丁氧羰基-4-哌啶酮

1-t-叔丁氧羰基-哌啶-4-螺-5’-[1’,3’-二-t-叔丁氧羰基]海因

3-(1,2,3,6-四氢吡啶-4-基)-1H-吲哚

1-(三氟乙酰基)-4-哌啶酮

3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole-5-carbonitrile