Showing structure for methyl 2-{2-[6,7-bis(acetyloxy)-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-7a-methyl-4-methylidene-2,5,6,7-tetrahydro-1h-inden-5-yl]-2,6,6-trimethyl-5-oxocyclohex-3-en-1-yl}acetate