IUPAC:7-{3-[1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]-3-oxoprop-1-en-1-yl}-3-(3,4-dihydroxyphenyl)-2,3-dihydro-1,4-benzodioxine-2-carboxylic acid
IUPAC:7-{3-[1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]-3-oxoprop-1-en-1-yl}-3-(3,4-dihydroxyphenyl)-2,3-dihydro-1,4-benzodioxine-2-carboxylic acid