Formula: C28H18O7 | Mol. Weight: 466.40 g/mol
IUPAC: 4,6,12-trihydroxy-8,16-bis(4-hydroxyphenyl)-15-oxatetracyclo[8.6.1.02,7.014,17]heptadeca-1(16),2(7),3,5,10(17),11,13-heptaen-9-one
C1=CC(=CC=C1C2C3=C(C=C(C=C3O)O)C4=C(OC5=CC(=CC(=C54)C2=O)O)C6=CC=C(C=C6)O)O