H-Tyr-Asp-Glu-Tyr-Leu-Lys-Gln-Val-Ile-Glu-Val-Leu-Glu-Thr-Asp-Pro-His-Phe-Arg-Glu-Lys-Leu-Gln-Lys-Ala-Asp-Ile-Glu-Glu-Ile-OH Trifluoroacetate