78693-93-3 beta-D-Glucopyranosiduronic acid, (3beta,4beta,21beta,22beta)-22-((3-O-beta-D-glucopyranosyl-alpha-L-arabinopyranosyl)oxy)-21,23-dihydroxyolean-12-en-3-yl 2-O-beta-D-galactopyranosyl-