Showing structure for 4-(3,5-dihydroxyphenyl)-5,11,19-tris(4-hydroxyphenyl)-6-oxapentacyclo[10.7.0.0²,¹⁰.0³,⁷.0¹³,¹⁸]nonadeca-2,7,9,13,15,17-hexaene-9,15,17-triol