Try searching for...
SCFBio, IIT Delhi
Formula: C15H12O6 | Mol. Weight: 288.25 g/mol
IUPAC: 2,4,6-trihydroxy-2-[(4-hydroxyphenyl)methyl]-1-benzofuran-3-one
C1=CC(=CC=C1CC2(C(=O)C3=C(C=C(C=C3O2)O)O)O)O