Try searching for...
SCFBio, IIT Delhi
Formula: C15H22O3 | Mol. Weight: 250.33 g/mol
IUPAC: (3R,3aS,5aS,9R,9aS,9bS)-3,5a,9-trimethyl-3a,4,5,6,7,9,9a,9b-octahydro-3H-benzo[g][1]benzofuran-2,8-dione
CC1C2CCC3(CCC(=O)C(C3C2OC1=O)C)C