2-Ser-thr-leu-enkephalin 75644-90-5 DSLET DSTLE Dislet Enkephalin-leu, ser(2)-thr- Enkephalin-leu, seryl(2)-threonine- L-Threonine, L-tyrosyl-D-serylglycyl-L-phenylalanyl-L-leucyl- L-Threonine, N-(N-(N-(N-(N-L-tyrosyl-D-seryl)glycyl)-L-phenylalanyl)-L-leucyl)- Leu-enkephalin, ser(2)-thr- Leucine-enkephalin, ser(2)-thr- Ser(2)-leu(5)-enkephalin-thr(6) Tyr-ser-gly-phe-leu-thr Tyrosyl-seryl-glycyl-phenylalanyl-leucyl-threonine