H-Tyr-Cys-Phe-Ala-Trp-Lys-Thr-Phe-Cys-OH

L-Cysteine,L-tyrosyl-L-cysteinyl-L-phenylalanyl-L-alanyl-L-tryptophyl-L-lysyl-L-threonyl-L-phenylalanyl-,cyclic (2®9)-disulfide (9CI)