IUPAC:(2R,3R)-2-{2',3',4,4',5,6-hexahydroxy-6'-[(2R,3R)-3,5,7-trihydroxy-4-oxo-3,4-dihydro-2H-1-benzopyran-2-yl]-[1,1'-biphenyl]-2-yl}-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-one
IUPAC:(2R,3R)-2-{2',3',4,4',5,6-hexahydroxy-6'-[(2R,3R)-3,5,7-trihydroxy-4-oxo-3,4-dihydro-2H-1-benzopyran-2-yl]-[1,1'-biphenyl]-2-yl}-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-one