Showing structure for 15-[(2e)-3,7-dimethylocta-2,6-dien-1-yl]-5,13,14-trihydroxy-2,17-dioxatetracyclo[8.7.0.0³,⁸.0¹¹,¹⁶]heptadeca-1(10),3,5,7,11(16),12,14-heptaen-9-one