IUPAC:(2S)-2-[(1R,2S)-3-{[(1R)-1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]carbonyl}-1-(3,4-dihydroxyphenyl)-7,8-dihydroxy-1,2-dihydronaphthalene-2-carbonyloxy]-3-(3,4-dihydroxyphenyl)propanoic acid
IUPAC:(2S)-2-[(1R,2S)-3-{[(1R)-1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]carbonyl}-1-(3,4-dihydroxyphenyl)-7,8-dihydroxy-1,2-dihydronaphthalene-2-carbonyloxy]-3-(3,4-dihydroxyphenyl)propanoic acid