Formula: C30H22O10 | Mol. Weight: 542.50 g/mol
IUPAC: 6-[4-(5,7-dihydroxy-4-oxo-2,3-dihydrochromen-2-yl)phenoxy]-5,7-dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one
C1C(OC2=CC(=CC(=C2C1=O)O)O)C3=CC=C(C=C3)OC4=C(C5=C(C=C4O)OC(CC5=O)C6=CC=C(C=C6)O)O