Try searching for...
SCFBio, IIT Delhi
Formula: C17H28O5 | Mol. Weight: 312.40 g/mol
IUPAC: 2-[(3R,3aS,4S,5S,8R,8aS)-3,4,8-trihydroxy-3,8-dimethyl-1,2,3a,4,5,6,7,8a-octahydroazulen-5-yl]prop-2-enyl acetate
CC(=O)OCC(=C)C1CCC(C2CCC(C2C1O)(C)O)(C)O