IUPAC: (2R)-2-[(1S,2R)-3-{[(1R)-1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]carbonyl}-1-(3,4-dihydroxyphenyl)-6,7-dihydroxy-1,2-dihydronaphthalene-2-carbonyloxy]-3-(3,4-dihydroxyphenyl)propanoic acid

SMILES: OC(=O)[C@@H](Cc1ccc(O)c(O)c1)OC(=O)[C@@H]1[C@@H](c2ccc(O)c(O)c2)c2cc(O)c(O)cc2C=C1C(=O)O[C@H](Cc1ccc(O)c(O)c1)C(O)=O