Showing structure for methyl 2-[(1r,6r)-6-[(1s,3s,6s,7s,10s)-6-(furan-3-yl)-7-methyl-11-methylidene-4-oxo-2,5-dioxatricyclo[5.4.0.0?,?]undecan-10-yl]-2,2,6-trimethyl-3-oxocyclohexyl]acetate