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Fmoc-D-Gln-OPfp

Fmoc-Gln(Trt)-OPfp

Fmoc-D-Cys(Trt)-OPfp

Fmoc-Cys(Trt)-Opfp

Fmoc-Cys(Acm)-OPfp

Fmoc-D-Asp(OtBu)-Opfp

Fmoc-D-Asp-OtBu

Fmoc-D-Arg(Pbf)-OH