Showing structure for 4-{3-[3-(3,5-dihydroxyphenyl)-4-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydro-1-benzofuran-6-yl]-4-hydroxy-6-[2-(4-hydroxyphenyl)ethenyl]-2,3-dihydro-1-benzofuran-2-yl}benzene-1,3-diol