Showing structure for methyl (2r)-2-[(1r,2r)-2-[(1s,4as,6r,8as)-1-(furan-3-yl)-4a-hydroxy-8a-methyl-5-methylidene-3-oxo-tetrahydro-1h-2-benzopyran-6-yl]-2,6,6-trimethyl-5-oxocyclohex-3-en-1-yl]-2-(acetyloxy)acetate