115150-59-9 Antagonist G Arg-trp-N-methyl-phe-trp-leu-met-NH2 Arginyl-tryptophyl-N-methylphenylalanyl-tryptophyl-leucyl-methioninamide H-Arg-D-trp-N(Me)phe-D-trp-leu-met-NH2 L-Arginyl-O-tryptophyl-N-methyl-L-phenylalanyl-D-tryptophyl-L-leucyl-L-methioninamide L-Methioninamide, L-arginyl-O-tryptophyl-N-methyl-L-phenylalanyl-D-tryptophyl-L-leucyl- RW-N(Me)F-Wlm-NH2