Formula: C27H22O12 | Mol. Weight: 538.50 g/mol
IUPAC: (2R,3R)-6-[(Z)-3-[(1S)-1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]-3-oxoprop-1-enyl]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-1,4-benzodioxine-3-carboxylic acid
C1=CC(=C(C=C1CC(C(=O)O)OC(=O)C=CC2=CC3=C(C=C2)OC(C(O3)C(=O)O)C4=CC(=C(C=C4)O)O)O)O