Showing structure for (5r,5'r,6r,6'r,10ar,10'ar)-5'-(acetyloxy)-1,1',8,8'-tetrahydroxy-10a,10'a-bis(hydroxymethyl)-6,6'-dimethyl-9,9'-dioxo-5h,5'h,6h,6'h,7h,7'h-[2,4'-bixanthen]-5-yl acetate