1'-(2,2-dimethylpropyl)spiro[1,2-dihydroindole-3,4'-piperidine]

1-(5-氯-6-甲基吡嗪-2-基)-哌啶-4-羧酸

[1-(benzenesulfonyl)piperidin-4-yl]-phenylmethanone

[1-(4-methylphenyl)sulfonylpiperidin-4-yl]-phenylmethanone

benzyl 4-benzoylpiperidine-1-carboxylate