Try searching for...
SCFBio, IIT Delhi
Formula: C17H20O4 | Mol. Weight: 288.34 g/mol
IUPAC: [(3aS,6aR,8S,9aR,9bS)-3,6,9-trimethylidene-2-oxo-3a,4,5,6a,7,8,9a,9b-octahydroazuleno[4,5-b]furan-8-yl] acetate
CC(=O)OC1CC2C(C1=C)C3C(CCC2=C)C(=C)C(=O)O3