Try searching for...
SCFBio, IIT Delhi
Formula: C19H22O6 | Mol. Weight: 346.40 g/mol
IUPAC: (4aR,5'R,7R,8R,8aS)-5'-[(2R)-2-hydroxy-5-oxo-2H-furan-4-yl]-4,7-dimethylspiro[1,4a,5,6,7,8a-hexahydronaphthalene-8,3'-oxolane]-2,2'-dione
CC1CCC2C(C13CC(OC3=O)C4=CC(OC4=O)O)CC(=O)C=C2C