IUPAC: (2S,3S)-3-[(2S,3S)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-3,4-dihydro-2H-1-benzopyran-3-yl]-5,7-dihydroxy-2-(4-hydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-4-one

SMILES: [H][C@@]1([C@H](Oc2cc(O)cc(O)c2C1=O)c1ccc(O)cc1)[C@@]1([H])[C@H](Oc2cc(O)cc(O)c2C1=O)c1ccc(O)cc1