Showing structure for 5,13-bis(3,4-dihydroxyphenyl)-7-[2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2h-1-benzopyran-8-yl]-4,12,14-trioxapentacyclo[11.7.1.0²,¹¹.0³,⁸.0¹⁵,²⁰]henicosa-2,8,10,15,17,19-hexaene-6,9,17,19,21-pentol