Z-Pro-D-Val-NHMe

Ac-Pro-D-Phe-NHMe

3(S)-<<<1-(benzyloxycarbonyl)-2(S)-pyrrolidinyl>carbonyl>amino>-2-oxo-1-perhydroazepineacetamide

(S)-benzyl 2-(((S)-3-(1H-indol-3-yl)-1-methoxy-1-oxopropan-2-yl)carbamoyl)pyrrolidine-1-carboxylate

Z-Pro-Ile-Gly-OEt