N-trityl-L-alanine,diethylamine salt

(2R)-2-[(1,3-二氢-1,3-二氧代-2H-异吲哚-2-基)氧基]-4-甲基-戊酸

N-苄氧羰基-亮氨酰-亮氨酸甲酯

Benzolsulfonyl-L-leucyl-L-leucin-aethylester

2-[[2-(4-chlorophenoxy)acetyl]amino]-4-methylpentanoic acid