(N-Methyl-tyr(1)-phe(4)(p-No2)-N-methyl-D-arg(7)-leu(8))dynorphin A ethylamide(1-8) 103614-23-9 4-Nitro-tpala-dynorphin D-Leucinamide, N-methyl-L-tyrosylslycylglycyl-4-nitro-L-phenylalanyl-L-leucyl-L-arginyl-N2-methyl-L-arginyl-N-ethyl- Dynorphin A ethylamide (1-8), N-methyl-tyr(1)-4-nitro-phe(4)-N-methyl-arg(7)-leu(8)- Dynorphin A ethylamide (1-8), N-methyl-tyrosyl(1)-4-nitrophenylalanyl(4)-N-methyl-arginyl(7)-leucyl(8)-