Synonyms: b-D-Glucopyranosiduronic acid, (3b,4b,16a,21b,22a)-22-(acetyloxy)-16,23,28-trihydroxy-21-[[(2E)-2-methyl-1-oxo-2-butenyl]oxy]olean-12-en-3-ylO-b-D-glucopyranosyl-(1®2)-O-[b-D-glucopyranosyl-(1®4)]- (9CI); b-D-Glucopyranosiduronic acid, [3b,4b,16a,21b(E),22a]-22-(acetyloxy)-16,23,28-trihydroxy-21-[(2-methyl-1-oxo-2-butenyl)oxy]olean-12-en-3-ylO-b-D-glucopyranosyl-(1®2)-O-[b-D-glucopyranosyl-(1®4)]-; Aescin A; Escin Ia