Showing structure for (8s,9s,18r)-6-methoxy-14-methyl-19-oxapentacyclo[14.2.1.0²,⁷.0⁹,¹⁸.0¹²,¹⁷]nonadeca-2(7),3,5,10,12,14,16-heptaene-8,9-diol