1-HBG 133872-49-8 Glycine, N-(N-L-gamma-glutamyl-S-(1-(hydroxymethyl)-2-propenyl)-L-cysteinyl)- N-(N-L-gamma-Glutamyl-S-(1-(hydroxymethyl)-2-propenyl)-L-cysteinyl)glycine S-(1-Hydroxy-3-buten-2-yl)glutathione