Benzoyl-L-aspartic acid a- methyl ester

a-Methyl-DL-phenylalanine

α-甲基-DL-苯丙氨酸

Na-Fmoc-Ne-formyl-L-lysine

Ala-Trp-OH

L-丙氨酰-L-色氨酸

O-tert-Butyl-L-allo-threonine

O-叔丁基-L-别苏氨酸

D-Leu-Gly-OH

Glu-Gly-OH

His-Val-OH

Leu-Val-OH

S-Trityl-L-penicillanine

Thr-Ala-OH