2-(5-Amino-val)-3-de-gly-met-enkephalin 82518-82-9 Enkephalin-met, 5-amino-val(2)-des-gly(3)- Enkephalin-met, 5-aminovalyl(2)-desglycine(3)- H-Tyr-ava-phe-met-OH L-Methionine, N-(N-(5-((2-amino-3-(4-hydroxyphenyl)-1-oxopropyl)amino)-1-oxopentyl)-L-phenylalanyl)-, (S)- Met-enkephalin, 5-amino-val(2)-des-gly(3)- Methionine-enkephalin, 5-amino-val(2)-des-gly(3)- Tyrosyl-5-aminovalerylphenylalanylmethionine