TATU
Fmoc-Asp(OtBu)-Wang resin
Boc-4-oxo-Pro-OMe
H-Asp-OMe
H-Chg-OH
H-Ala-OEt.HCl
H-Arg-NH2.2HCl
Fmoc-Asn(Trt)-OH
Boc-β-HoSer(Bzl)-OH
HMP Linker
Allo-Thr-OH
Z-DL-Nva-OH
Boc-D-Phe(4-CN)-OH
Boc-Lys(Fmoc)-OH
H-Phe-OMe.HCl
Fmoc-Pro-Wang resin
H-D-Leu-OtBu.HCl
Fmoc-Thr-Wang Resin
H-D-Phg-NH2
H-Phe(4-I)-OH