Formula: C22H20O13 | Mol. Weight: 492.40 g/mol
IUPAC: (2S,3S,4S,5R,6S)-6-[2-(3,4-dihydroxyphenyl)-5-hydroxy-6-methoxy-4-oxochromen-7-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid
COC1=C(C=C2C(=C1O)C(=O)C=C(O2)C3=CC(=C(C=C3)O)O)OC4C(C(C(C(O4)C(=O)O)O)O)O