Try searching for...
SCFBio, IIT Delhi
Formula: C15H14O4 | Mol. Weight: 258.27 g/mol
IUPAC: (6-oxo-2,3,7,7a-tetrahydro-1-benzofuran-3a-yl) benzoate
C1COC2C1(C=CC(=O)C2)OC(=O)C3=CC=CC=C3