1H-2,3,5-Trioxapentaleno(1',6':5,6,7)cyclonona(1,2-a)naphthalene-1,6(2aH)-dione, 10-((6-deoxy-3-O-methyl-beta-D-glucopyranosyl)oxy)-4,4a,6a,7,9,10,11,12,12a,12b,13,14b-dodecahydro-7-hydroxy-2a,12a-dimethyl-