H-Val-Glu-Val-Lys-Ser-Glu-Lys-Leu-Asp-Phe-Lys-Asp-Arg-Val-Gln-Ser-Lys-Ile-Gly-Ser-Leu-Asp-Asn-Ile-Thr-His-Val-Pro-Gly-Gly-Gly-Asn-OH Trifluoroacetate