IUPAC: 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(3,4,5-trihydroxy-6-{[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]methyl}oxan-2-yl)oxy]-4H-chromen-4-one

SMILES: CC1OC(OCC2OC(Oc3c(oc4cc(O)cc(O)c4c3=O)-c3ccc(O)c(O)c3)C(O)C(O)C2O)C(O)C(O)C1O