Showing structure for (1'r,2s,3r,4s,10's,14's,15'r,16's)-3-hydroxy-4,5,5,10',14',16'-hexamethyl-18'-oxaspiro[oxolane-2,17'-pentacyclo[13.3.2.0¹,¹⁴.0²,¹¹.0⁵,¹⁰]icosane]-2'(11'),3',5',12'-tetraen-7'-one