Showing structure for (4e)-2',12'-dihydroxy-4-(2-hydroxy-1-methoxyethylidene)-12'-isopropyl-8'-methoxy-7'-methyl-4',10'-dioxaspiro[oxolane-2,6'-tetracyclo[7.2.1.0²,⁷.0³,⁵]dodecane]-5,11'-dione