D-Val-D-Val-OH

p-Nitrophenylacetic acid N-hydroxyuccinimide ester

4-硝基苯乙酸N-琥珀酰亚胺酯

Tosyl-L-proline

N-对甲苯磺酰-L-脯氨酸

4-(4-Azidophenyl)butyric acid

Cinnamoyl-(trans)-L-phenylalanine

Cyclo(-L-Leu-L-Phe)

Boc-D-His(1-Me)-OH

Cyclo(-Phe-Pro)

Boc-3,4-dehydro-D-Valine

Ac-Phe(4-NH2)-OH

Boc-Asn-Gly-OEt