IUPAC:5-[(2R,3R)-2-(3,4-dihydroxyphenyl)-4-hydroxy-6-[(2R,3R)-4-hydroxy-2-(4-hydroxyphenyl)-6-[(1E)-2-(4-hydroxyphenyl)ethenyl]-2,3-dihydro-1-benzofuran-3-yl]-2,3-dihydro-1-benzofuran-3-yl]benzene-1,3-diol
IUPAC:5-[(2R,3R)-2-(3,4-dihydroxyphenyl)-4-hydroxy-6-[(2R,3R)-4-hydroxy-2-(4-hydroxyphenyl)-6-[(1E)-2-(4-hydroxyphenyl)ethenyl]-2,3-dihydro-1-benzofuran-3-yl]-2,3-dihydro-1-benzofuran-3-yl]benzene-1,3-diol