Try searching for...
SCFBio, IIT Delhi
Formula: C19H12Cl2O5 | Mol. Weight: 391.20 g/mol
IUPAC: 2-(2,6-dichloro-3,5-dimethoxyphenyl)furo[2,3-h]chromen-4-one
COC1=CC(=C(C(=C1Cl)C2=CC(=O)C3=C(O2)C4=C(C=C3)OC=C4)Cl)OC