6,7-Arg-met-enkephalin 76496-10-1 Enkephalin-met, arg(6,7)- Enkephalin-met, arginine(6,7)- L-Arginine, N2-(N2-(N-(N-(N-(N-L-tyrosylglycyl)glycyl)-L-phenylalanyl)-L-methionyl)-L-arginyl)- Met-enk-AA Met-enkephalin, arg(6,7)- Methionine-enkephalin, arg(6,7)-