Try searching for...
SCFBio, IIT Delhi
Formula: C18H30O | Mol. Weight: 262.40 g/mol
IUPAC: (4aR,6aS,10aR,10bR)-3,4a,7,7,10a-pentamethyl-1,5,6,6a,8,9,10,10b-octahydrobenzo[f]chromene
CC1=CCC2C3(CCCC(C3CCC2(O1)C)(C)C)C