138248-87-0 Cyclo SS-8 Cyclo-SS-8 D-Phenylalanyl-L-cysteinyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-threonyl-L-cysteinyl-3-(2-naphthalenyl)-DL-alaninamide cyclic(2-7)-disulfide DL-Alaninamide, D-phenylalanyl-L-cysteinyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-threonyl-L-cysteinyl-3-(2-naphthalenyl)-, cyclic(2-7)-disulfide Phe-cys-tyr-trp-lys-thr-cys-nal-NH2 Phe-cys-tyr-trp-lys-thr-cys-naphthyl-ala-NH2 Phenylalanyl-cysteinyl-tyrosyl-tryptophyl-lysyl-threonyl-cysteinyl-N-naphthylalanine amide