Try searching for...
SCFBio, IIT Delhi
Formula: C14H10O5 | Mol. Weight: 258.23 g/mol
IUPAC: 2-(3,5-dihydroxyphenyl)-1-benzofuran-6,7-diol
C1=CC(=C(C2=C1C=C(O2)C3=CC(=CC(=C3)O)O)O)O