Try searching for...
SCFBio, IIT Delhi
Formula: C20H26O5 | Mol. Weight: 346.40 g/mol
IUPAC: (1S,2S,5R,6R,8S,11S,14R,17S,20R)-6,14-dimethyl-10,16,18-trioxahexacyclo[12.5.1.15,8.01,11.02,8.017,20]henicosane-7,9-dione
CC1C2CCC3C(C2)(C1=O)C(=O)OC4C35COC6C5C(CC4)(CO6)C