Try searching for...
SCFBio, IIT Delhi
Formula: C19H19NO5 | Mol. Weight: 341.40 g/mol
IUPAC: 2-(3,4-dimethoxyphenyl)-5,6-dimethoxy-1H-quinolin-4-one
COC1=C(C=C(C=C1)C2=CC(=O)C3=C(N2)C=CC(=C3OC)OC)OC