Formula: C30H28O8 | Mol. Weight: 516.50 g/mol
IUPAC: 4-[2-[5-[(E)-2-(3,5-dihydroxyphenyl)ethenyl]-2-hydroxy-3-methoxyphenyl]-2-(4-hydroxy-3-methoxyphenyl)ethyl]benzene-1,3-diol
COC1=CC(=CC(=C1O)C(CC2=C(C=C(C=C2)O)O)C3=CC(=C(C=C3)O)OC)C=CC4=CC(=CC(=C4)O)O