Formula: C22H20O14 | Mol. Weight: 508.40 g/mol
IUPAC: (2S,3S,4S,5R,6S)-6-[2-(3,5-dihydroxy-4-methoxyphenyl)-5,7-dihydroxy-4-oxochromen-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid
COC1=C(C=C(C=C1O)C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC4C(C(C(C(O4)C(=O)O)O)O)O)O