137668-62-3 Cyclic H-asp-his-phe-arg-trp-lys-NH2 Cyclic aspartic-histidyl-phenylalanyl-arginyl-tryptophyl-lysyl- Cyclic msh (5-10) L-Lysinamide, L-alpha-aspartyl-L-histidyl-D-phenylalanyl-L-arginyl-L-tryptophyl-, cyclic (1-6)-peptide Msh (5-10), cyclic