Try searching for...
SCFBio, IIT Delhi
Formula: C18H12O4 | Mol. Weight: 292.30 g/mol
IUPAC: 7-hydroxy-1,6-dimethylnaphtho[1,2-g][1]benzofuran-10,11-dione
CC1=COC2=C1C(=O)C(=O)C3=C2C=CC4=C3C=CC(=C4C)O