Showing structure for methyl 2-[14-(acetyloxy)-6-(furan-3-yl)-13-hydroxy-1,5,15,15-tetramethyl-8,17-dioxo-7,18-dioxatetracyclo[11.3.2.0²,¹¹.0⁵,¹⁰]octadec-10-en-16-yl]-2-hydroxyacetate