2-Methyl-2-propanyl 3-fluoro-4,4-dihydroxy-1-piperidinecarboxylat e

1-Boc-3-乙基-4-哌啶酮

4-(4-(羟基甲基)-1H-1,2,3-噻唑-1-基)哌啶-1-羧酸叔丁酯

2-(4-氨基-1-(叔丁氧基羰基)哌啶-4-基)乙酸

2-Methyl-2-propanyl 6-methyl-4-oxo-3,4-dihydro-1'H-spiro[1,3-benz oxazine-2,4'-piperidine]-1'-carboxylate