79397-11-8 Ac-Cys-leu-glu-glu-pro-cys-ome cyclic disulfide Acetylcysteinyl-leucyl-glutamyl-glutamyl-prolyl-cysteine methyl ester cyclic disulfide Aclggpcm L-Cysteine, N-acetyl-L-cysteinyl-L-leucyl-L-alpha-glutamyl-L-alpha-glutamyl-L-prolyl-, 6-methyl ester, cyclic (1-6)-disulfide