H-Phe(4-Cl)-D-Cys-β-(3-pyridyl)-Ala-D-Trp-N-Me-Lys-Thr-Cys-2-Nal-NH2

L-Alaninamide,4-chloro-L-phenylalanyl-D-cysteinyl-3-(3-pyridinyl)-L-alanyl-D-tryptophyl-N2-methyl-L-lysyl-L-threonyl-L-cysteinyl-3-(2-naphthalenyl)-,cyclic (2®7)-disulfide