[NPHE1]NOCICEPTIN(1-13)NH2

[N-PHE1]-NOCICEPTIN FRAGMENT 1-13 AMIDE

N-(BZL)GLY-GLY-GLY-PHE-THR-GLY-ALA-ARG-LYS-SER-ALA-ARG-LYS-NH2

N-(Bzl)Gly-Gly-Gly-Phe-Thr-Gly-Ala-Arg-Lys-Ser-Ala-Arg-Lys-NH2 (N-(Bzl)GlyN-Benzylglycine)