L-Valyl-L-tryptophan
Fmoc-Lys(Pal-Glu-OtBu)-OH
Glutamyl-glutamic acid
L-Aspartyl-L-aspartic acid
L-Valyl-L-tyrosine
Boc-thr(fmoc-val)-OH
L-Leucyl-L-proline hydrochloride
L-Aspartyl-L-phenylalanine
H-Leu-Lys(Z)-OH