Showing structure for (1's,2r,2'r,3's,5'r,7'r,8's,9'r,12's)-2',8'-dihydroxy-12'-isopropyl-7'-methyl-4',10'-dioxaspiro[oxirane-2,6'-tetracyclo[7.2.1.0²,⁷.0³,⁵]dodecan]-11'-one