Try searching for...
SCFBio, IIT Delhi
Formula: C18H16O6 | Mol. Weight: 328.30 g/mol
IUPAC: 2-(2,3-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one
COC1=CC=CC(=C1OC)C2=CC(=O)C3=C(C=C(C=C3O2)OC)O