Formula: C27H20O12 | Mol. Weight: 536.40 g/mol
IUPAC: 2-[(E)-3-[4-(6,7-dihydroxy-2-oxochromen-3-yl)oxy-3-hydroxyphenyl]prop-2-enoyl]oxy-3-(3,4-dihydroxyphenyl)propanoic acid
C1=CC(=C(C=C1CC(C(=O)O)OC(=O)C=CC2=CC(=C(C=C2)OC3=CC4=CC(=C(C=C4OC3=O)O)O)O)O)O