Showing structure for 9-(4,5-dihydroxy-6-methyloxan-2-yl)-4a-({5-[(4,5-dihydroxy-6-methyloxan-2-yl)oxy]-4-hydroxy-6-methyloxan-2-yl}oxy)-8,12b-dihydroxy-3-methyl-3,4-dihydro-2h-tetraphene-1,7,12-trione