Showing structure for 15-[(2e)-3,7-dimethylocta-2,6-dien-1-yl]-6,7-dihydroxy-16,16-dimethyl-1,13-bis(3-methylbut-2-en-1-yl)-3-oxatetracyclo[11.3.1.0²,¹¹.0⁴,⁹]heptadeca-2(11),4,6,8-tetraene-10,12,17-trione