Showing structure for methyl (1r,4as,5r,6r,8s,8ar)-5-[(4s)-4-hydroperoxy-5-[(2s)-3-methyl-5-oxo-2h-furan-2-yl]-3-methylidenepentyl]-6,8-dihydroxy-1,4a,6-trimethyl-hexahydro-2h-naphthalene-1-carboxylate