Showing structure for [(2r,3s,4s,5r,6s)-6-[(4,7-dihydroxy-3-methyl-9,10-dioxoanthracen-2-yl)oxy]-3,4-dihydroxy-5-{[(2s,3r,4r,5r,6s)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]methyl acetate