D-Leu-Gly-OH

L-Phenylalanine cyclohexylamide

L-Phenylalanine pyrrolidide

Nin-Boc-L-tryptophan tert-butyl ester hydrochloride

L-allo-Threoninol

N-Methyl-L-aspartic acid hydrochloride

N-甲基-L-天冬氨酸

Z-3-(1-naphthyl)-L-alanine

Z-O-tert-butyl-D-serine methyl ester

Z-D-serine benzyl ester

Z-DL-aspartic acid b-benzyl ester

Z-O-acetyl-L-serine