Showing structure for 1-(2,4-dihydroxyphenyl)-17-[6-hydroxy-7-(3-methylbut-2-en-1-yl)-1-benzofuran-2-yl]-11-methyl-2,20-dioxapentacyclo[11.7.1.0³,⁸.0⁹,²¹.0¹⁴,¹⁹]henicosa-3,5,7,11,14,16,18-heptaene-5,15-diol