6-Arg-leu-enkephalin 75106-70-6 Enkephalin-leu, arginine(6)- L-Arginine, N(2)-(N-(N-(N-(N-L-tyrosylglycyl)glycyl)-L-phenylalanyl)-L-leucyl)- Leu-enkephalin, arg(6)- Leucine-enkephalin, arg(6)- alpha-Neoendorphin (pig), 7-de-L-lysine-8-de-L-tyrosine-9-de-L-proline-10-de-L-lysine- alpha-Neoendorphin, 7-de-L-lysine-8-de-L-tyrosine-9-de-L-proline-10-de-L-lysine- enkephalin-Leu, Arg(6)-