Showing structure for (1r,4r,4ar,5s,6r,8s,8ar)-8-(acetyloxy)-8a-[(acetyloxy)methyl]-5,6-dimethyl-5-[(2s)-2-[(2-methylpropanoyl)oxy]-2-(5-oxo-2h-furan-3-yl)ethyl]-hexahydro-2h-spiro[naphthalene-1,2'-oxiran]-4-yl (2r)-2-methylbutanoate