N-[(R)-[(1,2-Dihydro-1-methanesulfonylspiro[3H-indole-3,4'-piperidin]-1'-yl)carbonyl]-2-(phenylmethyloxy)ethyl]-2-[(1,1-dimethyl-ethoxy)carbonyl]amino-2-methyl-propanamide

4-哌啶甲酸

1-Cbz-4-哌啶甲酸

1-Cbz-4-哌啶甲醛

4-氯羰酰四氢-吡啶羧酸苄酯