Try searching for...
SCFBio, IIT Delhi
Formula: C12H14O4 | Mol. Weight: 222.24 g/mol
IUPAC: 3-butanoyl-3-hydroxy-4,5-dihydro-2-benzofuran-1-one
CCCC(=O)C1(C2=C(C=CCC2)C(=O)O1)O