Try searching for...
SCFBio, IIT Delhi
Formula: C17H14O2 | Mol. Weight: 250.29 g/mol
IUPAC: 5-ethenyl-1-methylphenanthrene-2,7-diol
CC1=C(C=CC2=C1C=CC3=CC(=CC(=C32)C=C)O)O