环(L-脯-L-缬)二肽

dibenzyl 2-[[3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]amino]butanedioate

叔丁氧羰基-缬氨酰-酪氨酸苄酯

N-[(2S,3R)-3-氨基-2-羟基-5-甲基-1-氧代己基]-L-缬氨酰-L-缬氨酰-L-天冬氨酸

(3S)-3-BOC-AMINO-1-DIAZO-4-METHYL-2-PENTANONE