Z-Pro-Val-Aib-Aib-OMe

Boc-L-Pro-L-Val-Aib-Aib-L-Gln-L-Gln-L-Phl

Boc-L-Pro-L-Val-Aib-Aib-OMe

H-Val-Aib-Aib-OMe*HCl

Boc-L-Pro-L-Val-Aib-Aib