Try searching for...
SCFBio, IIT Delhi
Formula: C15H10O7 | Mol. Weight: 302.23 g/mol
IUPAC: 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one
C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O)O)O