Formula: C43H32O19 | Mol. Weight: 852.70 g/mol
IUPAC: [(2R,3R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-chromen-3-yl] 1-[(2R,3R)-5,7-dihydroxy-3-(3,4,5-trihydroxybenzoyl)oxy-3,4-dihydro-2H-chromen-2-yl]-3,4,6-trihydroxy-5-oxobenzo[7]annulene-8-carboxylate
C1C(C(OC2=CC(=CC(=C21)O)O)C3=CC(=C(C=C3)O)O)OC(=O)C4=CC5=C(C(=C(C=C5C6C(CC7=C(C=C(C=C7O6)O)O)OC(=O)C8=CC(=C(C(=C8)O)O)O)O)O)C(=O)C(=C4)O