Formula: C28H20O7 | Mol. Weight: 468.50 g/mol
IUPAC: (8R,9S)-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-heptaene-4,6,9,12-tetrol
C1=CC(=CC=C1C2C(C3=C4C(=CC(=C3)O)OC(=C4C5=C2C(=CC(=C5)O)O)C6=CC=C(C=C6)O)O)O