Try searching for...
SCFBio, IIT Delhi
Formula: C17H22O6 | Mol. Weight: 322.40 g/mol
IUPAC: [(3aR,4R,5R,6S,6aR,9aR,9bR)-4,6-dihydroxy-6,9-dimethyl-3-methylidene-2-oxo-4,5,6a,7,9a,9b-hexahydro-3aH-azuleno[4,5-b]furan-5-yl] acetate
CC1=CCC2C1C3C(C(C(C2(C)O)OC(=O)C)O)C(=C)C(=O)O3