Try searching for...
SCFBio, IIT Delhi
Formula: C19H14O4 | Mol. Weight: 306.30 g/mol
IUPAC: 1,6-dimethyl-10,11-dioxo-7H-naphtho[1,2-g][1]benzofuran-6-carbaldehyde
CC1=COC2=C1C(=O)C(=O)C3=C2C=CC4=C3C=CCC4(C)C=O