Showing structure for {7,7,12,16-tetramethyl-15-[1-(5-methyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]-5-oxo-6,19-dioxapentacyclo[9.8.0.0¹,¹⁸.0²,⁸.0¹²,¹⁶]nonadec-10-en-2-yl}methyl acetate