2-Ala-4-(penta-F-phe)-met-enkephalinamide 67875-58-5 Afpm-enkephalinamide Enkephalinamide-met, ala(2)-(penta-F-phe)(4)- Enkephalinamide-met, alanyl(2)-pentafluorophenylalanine(4)- L-Methioninamide, L-tyrosyl-D-alanylglycyl-2,3,4,5,6-pentafluoro-L-phenylalanyl- Met-enkephalinamide-ala(2)-(penta-F-phe)(4)- Methionine-enkephalinamide, ala(2)-(penta-F-phe)(4)-