Showing structure for 4,7,12-tris(acetyloxy)-5,9,12-trimethyl-15-[(2-methylpropanoyl)oxy]-16-oxo-8-(pyridine-3-carbonyloxy)-18-oxapentacyclo[7.7.2.0¹,¹⁰.0³,⁷.0¹¹,¹⁴]octadecan-2-yl pyridine-3-carboxylate