152274-66-3

ACETALIN 2 AC-RFMWMK-NH2 OPIOID RECEPTOR ANTAGONIST 2 AC-ARG-PHE-MET-TRP-MET-LYS-NH2 OPIOID RECEPTOR ANTAGONIST AC-RFMWMK-NH2 N2-Acetyl-L-arginyl-L-phenylalanyl-L-methionyl-L-tryptophyl-L-methionyl-L-argininamide L-Argininamide, N2-acetyl-L-arginyl-L-phenylalanyl-L-methionyl-L-tryptophyl-L-methionyl-