Showing structure for 11,16-bis(acetyloxy)-13-(furan-3-yl)-7-(2-methoxy-2-oxoethyl)-6,6,8,12-tetramethyl-17-methylidene-4-[(2-methylpropanoyl)oxy]-9,15-dioxo-2,14-dioxatetracyclo[8.6.1.0¹,¹².0³,⁸]heptadecan-5-yl pyridine-3-carboxylate