Showing structure for 4-{1,5-dihydroxy-6-[4-hydroxy-6-methyl-5-({6-methyl-5-[(6-methyl-5-oxooxan-2-yl)oxy]oxan-2-yl}oxy)oxan-2-yl]-9,10-dioxoanthracen-2-yl}-3-methyl-3-({6-methyl-5-[(6-methyl-5-oxooxan-2-yl)oxy]oxan-2-yl}oxy)butanoic acid