L-Phe

L-Cys

Boc-D-丝氨醇(Bzl), Boc-D-Serinol(Bzl)

H-Asn(Trt)-2-氯三苯甲基树脂, H-Asn(Trt)-2-Chlorotrityl Resin

Ac-His(Trt)-OH

Boc-D-赖氨酸(Z), Boc-D-Lysinol(Z)

H-Thr(Me)-OH

H-Thr(Trt)-2-氯三苯甲基树脂, H-Thr(Trt)-2-Chlorotrityl Resin

H-Tyr(tBu)-2-氯三苯甲基树脂, H-Tyr(tBu)-2-Chlorotrityl Resin

H-Phe-NH2·HCl

4-Nitrophenyl Acetate

4-硝基苯基乙酸酯