142565-25-1 Gladma Glutathiolactaldehyde dimethylacetal Glycine, N-(N-L-gamma-glutamyl-S-(2-hydroxy-3,3-dimethoxypropyl)-L-cysteinyl)-, (R)- N-(N-gamma-Glutamyl-S-(3,3-dimethoxy-2-hydroxypropyl)cysteinyl)glycine