Benzoyl-L-citrulline methyl ester

a-Methyl-DL-phenylalanine

α-甲基-DL-苯丙氨酸

Ala-D-Ala-OH

L-Aspartic acid b-naphthylamide

O-Acetyl-D-serine hydrochloride

Nd-Z-L-ornithine methyl ester hydrochloride

N5-Cbz-L-鸟氨酸甲酯盐酸盐

L-Phenylalanine cyclohexylamide

O-tert-Butyl-L-serine t-butyl ester

H-丝氨酰(TBU)-OTBU

L-a-Aminoadipic acid d-tert-butyl ester

Sarcosine benzyl ester 4-toluenesulfonate salt