Try searching for...
SCFBio, IIT Delhi
Formula: C18H14O3 | Mol. Weight: 278.30 g/mol
IUPAC: 1,6-dimethyl-8,9-dihydronaphtho[1,2-g][1]benzofuran-10,11-dione
CC1=CCCC2=C1C=CC3=C2C(=O)C(=O)C4=C3OC=C4C