Dynorphin A (1-8), porcine,YGGFLRRI; dynorphin A fragment 1-8; DYNORPHIN A (1-8),PORCINE; DYNORPHIN A PORCINE FRAGMENT 1-8; Ph-8p; GFL PEPTIDE STANDARD; dynorphin A (1-8); H-Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-OH; YGGFLRRI; TYR-GLY-GLY-PHE-LEU-ARG-ARG-ILE; dynorphin-(1-8)