Showing structure for 2-(furan-3-yl)-4a-hydroxy-6a,10b-dimethyl-7-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1h,2h,5h,6h,7h,10h,10ah-naphtho[2,1-c]pyran-4-one