Showing structure for 6-(4,5-dihydroxy-6-methoxy-6-methylhept-2-en-2-yl)-9,10,14,14-tetramethyl-16-oxapentacyclo[13.2.2.0¹,¹³.0²,¹⁰.0⁵,⁹]nonadecane-3,15-diol