Pyr-Pro-Leu-Pro-Asp-Cys(Acm)-Cys-Arg-Gln-Lys-Thr-Cys(Acm)-Ser-Cys-Arg-Leu-Tyr-Glu-Leu-Leu-His-Gly-Ala-Gly-Asn-His-Ala-Ala-Gly-Ile-Leu-Thr-Leu-NH2 Trifluoroacetate (Disulfide bond)