Showing structure for (2r)-1-[(1r,4as,9r,11ar)-1,9-bis(acetyloxy)-7-methyl-11-methylidene-1h,4ah,5h,6h,9h,10h,11ah-cyclonona[c]pyran-4-yl]-1-(acetyloxy)-4-methylpent-3-en-2-yl acetate