Formula: C27H22O18 | Mol. Weight: 634.50 g/mol
IUPAC: [(2R,3S,4S,5R,6R)-3,4,5-trihydroxy-6-(3,4,5-trihydroxybenzoyl)oxyoxan-2-yl]methyl 3,4,8,9,10-pentahydroxy-6-oxobenzo[c]chromene-1-carboxylate
C1=C(C=C(C(=C1O)O)O)C(=O)OC2C(C(C(C(O2)COC(=O)C3=CC(=C(C4=C3C5=C(C(=C(C=C5C(=O)O4)O)O)O)O)O)O)O)O