Showing structure for 15-[1-(4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]-15-hydroxy-10,14-dimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-5-en-9-one