(Deamino-Cys3, Nle 4, Arg5, D-2-Nal 7, Cys11) -a-MSH (3-11) amide trifluoroacetate salt

CCCC[C@H]1C (=O) N[C@H] (C (=O) N[C@H] (C (=O) N[C@@H] (C (=O) N[C@H] (C (=O) N[C@H] (C (=O) NCC (=O) N[C@@H] (CSSCCC (=O) N1) C (=O) N) CC2=CNC3=CC=CC=C32) CCCN=C (N) N) CC4=CC5=CC=CC=C5C=C4) CC6=CN=CN6) CCCN=C (N) N.C (=O) (C (F) (F) F) O