Formula: C22H16O12 | Mol. Weight: 472.40 g/mol
IUPAC: 4-[[(Z)-3-carboxyprop-2-enoyl]oxymethyl]-10-formyl-3,9-dihydroxy-1,7-dimethyl-6-oxobenzo[b][1,4]benzodioxepine-2-carboxylic acid
CC1=CC(=C(C2=C1C(=O)OC3=C(O2)C(=C(C(=C3COC(=O)C=CC(=O)O)O)C(=O)O)C)C=O)O