(Pyr-Leu-Tyr-Ser-Ala-Leu-Ala-Asn-Lys-Cys-Cys-His-Val-Gly-Cys-Thr-Lys-Arg-Ser-Leu-Ala-Arg-Phe-Cys-OH)A(H-Asp-Ser-Trp-Met-Glu-Glu-Val-Ile-Lys-Leu-Cys-Gly-Arg-Glu-Leu-Val-Arg-Ala-Gln-Ile-Ala-Ile-Cys-Gly-Met-Ser-Thr-Trp-Ser-OH)B Trifluoroacetate (Disulfide bonds between Cys¹⁰A and Cys¹⁵A/Cys¹¹A and Cys¹¹B/Cys²⁴A and Cys²³B)