N-苯甲酰基-4-氮杂卓酮

(4-氨基哌啶-1-基)苯甲酮

5-甲基-6H-吡啶并[3,4-h]咔唑-9-醇

(4-羟基-1-哌啶基)(苯基)甲酮

benzyl (1-benzoylpiperidin-4-yl)carbamate