amino acid

Z-Val-OH: Z-D-Val-OH

Z-Thr-OH; Z-D-Trp-OH; Z-Trp-OH;

Z-Ser-OH ; Z-D-Ser-OH; Z-DL-Ser-OH

Z-Pro-OH; Z-D-Pro-OH ; Z-DL-Pro-OH

Z-Phe-OH ; Z-D-Phe-OH; Z-DL-Phe-OH

Z-Gln-OH; Z-Gly-OH; Z-His(Bzl)-OH

Z-Asp-OH; Z-Cys(Ph)-OH ; Z-Glu-OH

Z-Ala-OH; Z-D-Ala-OH; Z-Arg-OH; Z-Arg(NO2)-OH

Fmoc-D-Pro-OH; Fmoc-Ser-OH ; Fmoc-Trp-OH

Fmoc-D-Trp-OH; Fmoc-Val-OH; Fmoc-D-Val-OH

Fmoc-D-Phe-OH; Fmoc-DL-Phe-OH ; Fmoc-Pro-OH

Fmoc-Met-OH ; Fmoc-D-Met-OH: Fmoc-Phe-OH