Showing structure for 2-(9-{[3,5-dihydroxy-6-(hydroxymethyl)-4-oxooxan-2-yl]oxy}-7,8-dimethyl-3-oxo-1h,5h,6h,6ah,8h,9h,10h-naphtho[4,4a-c]furan-7-yl)-1-(furan-3-yl)ethyl acetate