Try searching for...
SCFBio, IIT Delhi
Formula: C19H26O6 | Mol. Weight: 350.40 g/mol
IUPAC: [(3aS,5R,5aS,6S,8R,8aS,9aR)-8-acetyloxy-5,8a-dimethyl-1-methylidene-2-oxo-4,5,5a,6,7,8,9,9a-octahydro-3aH-azuleno[6,5-b]furan-6-yl] acetate
CC1CC2C(CC3(C1C(CC3OC(=O)C)OC(=O)C)C)C(=C)C(=O)O2