Showing structure for 5-{[5-(5,6-dimethylhept-3-en-2-yl)-6,10-dimethyl-16,17-dioxapentacyclo[13.2.2.0¹,⁹.0²,⁶.0¹⁰,¹⁵]nonadec-18-en-13-yl]oxy}-15-hydroxy-11,18-dimethoxy-6,8,20-trioxapentacyclo[10.8.0.0²,⁹.0³,⁷.0¹⁴,¹⁹]icosa-1,9,11,14,16,18-hexaen-13-one