1-8-Dynorphin B (swine), 8-L-isoleucine- 75790-53-3 8-L-Isoleucine-1-8-dynorphin B (swine) Dynorphin (1-8) Dynorphin A (1-8) L-Isoleucine, N-(N(2)-(N(2)-(N-(N-(N-(N-L-tyrosylglycyl)glycyl)-L-phenylalanyl)-L-leucyl)-L-arginyl)-L-arginyl)- PH-8P Tyr-gly-gly-phe-leu-arg-arg-ile Tyrosyl-glycyl-glycyl-phenylalanyl-leucyl-arginyl-arginyl-isoleucine alpha-Neoendorphin, 7-L-arginine-8-L-isoleucine-9-de-L-proline-10-de-L-lysine-