Try searching for...
SCFBio, IIT Delhi
Formula: C19H22O5 | Mol. Weight: 330.40 g/mol
IUPAC: (3E,3aR,8bS)-8,8-dimethyl-3-[[(2R)-4-methyl-5-oxo-2H-furan-2-yl]oxymethylidene]-3a,4,5,6,7,8b-hexahydroindeno[1,2-b]furan-2-one
CC1=CC(OC1=O)OC=C2C3CC4=C(C3OC2=O)C(CCC4)(C)C