Showing structure for (1'r,3r,3as,4's,4as,6'r,7'r,8's,8as,9as,11's,13'r)-6'-hydroxy-7'-isopropyl-1',4',5,8a,11'-pentamethyl-4,4a,7,8,9,9a-hexahydro-3ah-spiro[naphtho[2,3-b]furan-3,15'-tetracyclo[11.2.1.0²,¹².0⁴,⁸]hexadecan]-2'(12')-en-2-one