Try searching for...
SCFBio, IIT Delhi
Formula: C16H14O4 | Mol. Weight: 270.28 g/mol
IUPAC: 1,5-dimethoxyphenanthrene-2,7-diol
COC1=C2C(=CC(=C1)O)C=CC3=C2C=CC(=C3OC)O