111846-43-6 2-Ala-4-(5-F-phe)-dynorphin amide (1-13) Dafphedyn Dynorphin A (pig), 2-D-alanine-4-(2,3,4,5,6-pentafluoro-L-phenylalanine)-13-L-lysinamide-14-de-L-tryptophan-15-de-L-aspartic acid-16-de-L-asparagine-17-de-L-glutamine- Dynorphin amide (1-13), ala(2)-(5-F-phe)(4)- Dynorphin amide (1-13), ala(2)-(F(5)-phe)(4)- Dynorphin amide (1-13), alanyl(2)-(5-fluorophenylalanine)(4)-