Showing structure for [(2r,3s,4s,5r,6s)-6-{[(3s,4r,4as)-4-ethenyl-8-oxo-3h,4h,4ah,5h,6h-pyrano[3,4-c]pyran-3-yl]oxy}-3,4,5-trihydroxyoxan-2-yl]methyl 2,3-dihydroxybenzoate