Try searching for...
SCFBio, IIT Delhi
Formula: C20H26O5 | Mol. Weight: 346.40 g/mol
IUPAC: (5S,6aS,7R,8R,10aS)-5-hydroxy-7,8-dimethyl-7-[2-(5-oxo-2H-furan-3-yl)ethyl]-5,6,6a,8,9,10-hexahydro-1H-benzo[d][2]benzofuran-3-one
CC1CCC23COC(=O)C2=CC(CC3C1(C)CCC4=CC(=O)OC4)O