Showing structure for (1s,14s)-14-hydroxy-17,18-dimethoxy-7,7-dimethyl-2,8,21-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁵,²⁰]docosa-3,5,9,11,15(20),16,18-heptaen-13-one