Showing structure for (1'r,2'r,3s,9's,11's,12's)-11'-hydroxy-2,2,2',6',9',12'-hexamethyl-15'-methylidene-13'-oxaspiro[pyran-3,5'-tetracyclo[7.5.1.0¹,¹¹.0²,⁷]pentadecan]-6'-ene-6,10',14'-trione