Formula: C23H22O11 | Mol. Weight: 474.40 g/mol
IUPAC: (3,4-dihydroxyphenyl)-[6,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxynaphthalen-1-yl]methanone
C1=CC(=C(C=C1C(=O)C2=C3C=C(C(=CC3=CC(=C2)OC4C(C(C(C(O4)CO)O)O)O)O)O)O)O