Try searching for...
SCFBio, IIT Delhi
Formula: C20H32O | Mol. Weight: 288.50 g/mol
IUPAC: 1-[(3R,3aR,6aR,7S,9aR,9bS)-5,9a-dimethyl-7-propan-2-yl-1,2,3,3a,4,6a,7,8,9,9b-decahydrocyclopenta[e]azulen-3-yl]ethanone
CC1=CC2C(CCC2(C3CCC(C3C1)C(=O)C)C)C(C)C