Showing structure for 2-({4-ethenyl-8-oxo-3h,4h,4ah,5h,6h-pyrano[3,4-c]pyran-3-yl}oxy)-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl 3-(4-hydroxy-3,5-dimethoxyphenyl)prop-2-enoate