Showing structure for methyl 2-[14-(acetyloxy)-6-(5-hydroxy-2-oxo-5h-furan-3-yl)-1,5,15,15-tetramethyl-8,17-dioxo-7-oxatetracyclo[11.3.1.0²,¹¹.0⁵,¹⁰]heptadec-10-en-16-yl]acetate