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
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