Showing structure for methyl 2-[11-(acetyloxy)-14-(furan-3-yl)-2,7,7,9,13-pentamethyl-6,16-dioxo-3,15-dioxapentacyclo[8.7.0.0¹,¹³.0²,¹⁰.0⁴,⁹]heptadec-4-en-8-yl]-2-hydroxyacetate