Showing structure for 4,5,5,10',14',16'-hexamethyl-18'-oxaspiro[oxolane-2,17'-pentacyclo[13.3.2.0¹,¹⁴.0²,¹¹.0⁴,⁹]icosane]-2',4'(9'),10',12'-tetraene-3,7'-diol