(2R)-2-(环戊氨基)-丁酸甲酯

(2R)-2-[(2-氯-5-硝基-4-嘧啶基)环戊胺基]-丁酸甲酯

(S)-2-((2S,3S,4R)-4-tert-Butoxycarbonylamino-3-hydroxy-2-methyl-pentanoylamino)-butyric acid methyl ester

N-[(R)-1-methoxycarbonylpropyl]-(+/-)-2-cyano-2-fluoro-p-tolylacetamide

(3S,6S)-3,6-diethylpiperazine-2,5-dione