Showing structure for (1s,13r,21s)-1-(2,4-dihydroxyphenyl)-17-(6-hydroxy-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