Formula: C28H30O18 | Mol. Weight: 654.50 g/mol
IUPAC: 6-[[2-[3-(6-carboxy-3,4,5-trihydroxyoxan-2-yl)oxy-4-methoxyphenyl]-5-hydroxy-4-oxo-2,3-dihydrochromen-7-yl]oxy]-3,4,5-trihydroxyoxane-2-carboxylic acid
COC1=C(C=C(C=C1)C2CC(=O)C3=C(C=C(C=C3O2)OC4C(C(C(C(O4)C(=O)O)O)O)O)O)OC5C(C(C(C(O5)C(=O)O)O)O)O