Z-D-valine N-hydroxysuccinimide ester

Boc-a-aminoisobutyric acid N-hydroxysuccinimide ester

Na-Boc-Nim-benzyloxymethyl-L-histidine Merrifield resin

Fmoc-D-a-aminoadipic acid

Na-Boc-Nin-formyl-D-tryptophan 4-oxymethylphenylacetamidomethyl resin

Boc-[3S]-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid-4-oxymethylphenylacetamidomethyl resin

Acetyl-L-aspartic acid a-methyl ester

Acetyl-D-phenylalanine methyl ester

Ala-Pro-pNAHCl

Leu-Trp-OMeHCl