110881-59-9 2-Ala-6-cys-leu-enkephalin DALCE Enkephalin-leu, alanyl(2)-cysteine(6)- L-Cysteine, N-(N-(N-(N-(N-L-tyrosyl-D-alanyl)glycyl)-L-phenylalanyl)-L-leucyl)- Leu-enkephalin, ala(2)-cys(6)- Leucine-enkephalin, ala(2)-cys(6)- enkephalin-Leu, Ala(2)-Cys(6)-