Formula: C22H22O13 | Mol. Weight: 494.40 g/mol
IUPAC: 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-6-methoxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one
COC1=C(C2=C(C=C1O)OC(=C(C2=O)OC3C(C(C(C(O3)CO)O)O)O)C4=CC(=C(C=C4)O)O)O