Patent ID: 8124054

Claim:
A chelating agent-conjugated α-MSH (melanocyte stimulating hormone) peptide derivative, wherein the α-MSH peptide derivative is an amino acid sequence selected from a group consisting of: (SEQ ID NO: 1) 1) Gly-Dap-Glu-His-dPhe-Arg-Trp-Asp-CONH 2 ; (SEQ ID NO: 2) 2) Gly-Dap-Glu-His-dPhe-Arg-Trp-Asp-Lys-Pro- Val-CONH 2 ; (SEQ ID NO: 3) 3) Gly-Dap-Glu-His-dPhe-Arg-Trp-Asp-Arg-Pro- Val-CONH 2 ; (SEQ ID NO: 4) 4) Gly-Dap-Gln-His-dPhe-Arg-Trp-Asp-CONH 2 ; (SEQ ID NO: 5) 5) Gly-Dap-Gln-His-dPhe-Arg-Trp-Asp-Lys-Pro- Val-CONH 2 ; and (SEQ ID NO: 6) 6) Gly-Dap-Gln-His-dPhe-Arg-Trp-Asp-Arg-Pro- Val-CONH 2 .