Benzoyl-DL-phenylalanine b-naphthylamide

D-Leu-Gly-OH

O-Benzyl-D-threonine amide hydrochloride

Ne-4-Nitro-Z-L-lysine

L-Proline 4-nitroanilide hydrobromide

L-Threonine methylamide

N-Methyl-L-aspartic acid hydrochloride

N-甲基-L-天冬氨酸

Z-Ala-Lys-OH

Z-DL-Ala-Gly-OH

Z-Val-Ile-OH

Tyr-Gly-OH