Try searching for...
SCFBio, IIT Delhi
Formula: C30H26O6 | Mol. Weight: 482.50 g/mol
IUPAC: 1-(2,7-dihydroxy-4-methoxy-9,10-dihydrophenanthren-1-yl)-4-methoxy-9,10-dihydrophenanthrene-2,7-diol
COC1=C2C(=C(C(=C1)O)C3=C4CCC5=C(C4=C(C=C3O)OC)C=CC(=C5)O)CCC6=C2C=CC(=C6)O