Formula: C21H20O14 | Mol. Weight: 496.40 g/mol
IUPAC: 5,7,8-trihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2-(3,4,5-trihydroxyphenyl)chromen-4-one
C1=C(C=C(C(=C1O)O)O)C2=C(C(=O)C3=C(O2)C(=C(C=C3O)O)O)OC4C(C(C(C(O4)CO)O)O)O