Formula: C28H22O6 | Mol. Weight: 454.50 g/mol
IUPAC: (1R,5S,6S,7S)-6-(3,5-dihydroxyphenyl)-7-(4-hydroxyphenyl)-4-[(E)-2-(4-hydroxyphenyl)ethenyl]bicyclo[3.2.1]oct-3-ene-2,8-dione
C1=CC(=CC=C1C=CC2=CC(=O)C3C(C(C2C3=O)C4=CC(=CC(=C4)O)O)C5=CC=C(C=C5)O)O