Formula: C30H22O10 | Mol. Weight: 542.50 g/mol
IUPAC: (2S)-8-[(2S)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-2,3-dihydrochromen-8-yl]-5,7-dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one
C1C(OC2=C(C(=CC(=C2C1=O)O)O)C3=C4C(=C(C=C3O)O)C(=O)CC(O4)C5=CC=C(C=C5)O)C6=CC=C(C=C6)O