18alpha,20beta-hydroxy-11-oxo-norolean-12-en-3beta-yl-2-O-beta-D-glucopyranurosyl-alpha-D-glucopyranosiduronate magnesium tetrahydrate
18alpha,20beta-hydroxy-11-oxo-norolean-12-en-3beta-yl-2-o-beta-d-glucopyranurosyl-alpha-d-glucopyranosiduronate magnesium tetrahydrate