Try searching for...
SCFBio, IIT Delhi
Formula: C15H10O5 | Mol. Weight: 270.24 g/mol
IUPAC: 5,6,7-trihydroxy-3-phenylchromen-4-one
C1=CC=C(C=C1)C2=COC3=C(C2=O)C(=C(C(=C3)O)O)O