Showing structure for 3,3',4'-trihydroxy-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'),5',12'-trien-7'-one