Try searching for...
SCFBio, IIT Delhi
Formula: C16H16O4 | Mol. Weight: 272.29 g/mol
IUPAC: (1R,3S)-9-methoxy-1,3-dimethyl-3,4-dihydro-1H-benzo[g]isochromene-5,10-dione
CC1CC2=C(C(O1)C)C(=O)C3=C(C2=O)C=CC=C3OC