MAP-LYS-GLY-ASP-TRP-PRO-CYS-NH2

Mpr-Harg-Gly-Asp-Trp-Pro-Cys-NH2,( Disulfide Bridge:1-7)

Mpr-Harg-Gly-Asp-Trp-Pro-Cys-NH2,( Disulfide Bridg on Mpr and Cys)

3-Mercaptopropionyl-HoMoarg-Gly-Asp-Trp-Pro-Cys-NH2 acetate salt (Disulfide bond)