3,3-dimethyl-2-(phenylmethoxycarbonylamino)butanoic acid

(2-碘乙基)氨基甲酸苄酯

2,3-二氢吡咯-1-羧酸苄酯

N-(苄氧基羰基)-1,2,3,4-四氢吡啶

benzyl N-(2-sulfanylethyl)carbamate