H-Ala-Thr-Lys-Ala-Ala-Arg-Lys(Me)2-Ser-Ala-Pro-Ala-Thr-Gly-Gly-Val-Lys-Lys-Pro-His-Arg-Tyr-Arg-Pro-Gly-Gly-Lys(biotinyl)-OH Trifluoroacetate