1,2-bis(4-phenylpiperidin-1-yl)ethane

1-甲基-4-苯基-哌啶

1-benzyl-4-phenylpiperidine

N-叔丁氧羰基-4-哌啶酮

4-苯基-3,6-二氢-2H-吡啶-1-羧酸叔丁酯