Formula: C29H24O12 | Mol. Weight: 564.50 g/mol
IUPAC: 3,4,5-trihydroxy-8-[(2R,3S)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]-1-[(2S,3S)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]benzo[7]annulen-6-one
C1C(C(OC2=CC(=CC(=C21)O)O)C3=CC(=O)C(=C4C(=C3)C(=CC(=C4O)O)C5C(CC6=C(C=C(C=C6O5)O)O)O)O)O