Try searching for...
SCFBio, IIT Delhi
Formula: C15H24 | Mol. Weight: 204.35 g/mol
IUPAC: (1R,2E,6E,10S)-3,7,11,11-tetramethylbicyclo[8.1.0]undeca-2,6-diene
CC1=CCCC(=CC2C(C2(C)C)CC1)C