Showing structure for {7,7,12,16-tetramethyl-15-[1-(5-methyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]-5-oxo-6-oxatetracyclo[9.7.0.0²,⁸.0¹²,¹⁶]octadeca-1(18),10-dien-2-yl}methyl acetate