Showing structure for (1s)-17-(6-hydroxy-1-benzofuran-2-yl)-11-methyl-2,20-dioxapentacyclo[11.7.1.0³,⁸.0⁹,²¹.0¹⁴,¹⁹]henicosa-3,5,7,9(21),10,12,14,16,18-nonaene-1,5,15-triol