Showing structure for 1-hydroxy-8,8,13-trimethyl-16-[1-(5-methyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]-17-methylidene-6-oxo-7-oxatetracyclo[10.7.0.0³,⁹.0¹³,¹⁸]nonadeca-2,4-dien-10-yl acetate