Showing structure for methyl 2-[14,15-bis(acetyloxy)-7-(furan-3-yl)-9-hydroxy-2,11-dimethyl-5-oxo-6,17-dioxatetracyclo[8.7.0.0³,⁸.0¹¹,¹⁶]heptadeca-1,3-dien-12-yl]acetate