Showing structure for (11s,12s,13r)-11-hydroxy-3,17,18-trimethoxy-12,13-dimethyl-5,7-dioxapentacyclo[10.7.0.0¹,¹⁵.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,15,17-pentaen-19-one