Showing structure for 14-(acetyloxy)-6-(furan-3-yl)-15,16-dihydroxy-12-(2-methoxy-2-oxoethyl)-7,11,13,13-tetramethyl-4-oxo-5,17-dioxapentacyclo[13.2.1.0¹,¹⁰.0²,⁷.0¹¹,¹⁶]octadecan-18-yl 2-methylpropanoate