Showing structure for 6-(3,5-dihydroxyphenyl)-7,11,19-tris(4-hydroxyphenyl)-8,18-dioxapentacyclo[11.6.1.0²,¹⁰.0⁵,⁹.0¹⁷,²⁰]icosa-2,4,9,11,13,15,17(20)-heptaene-4,15-diol