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