Try searching for...
SCFBio, IIT Delhi
Formula: C15H24 | Mol. Weight: 204.35 g/mol
IUPAC: (1S,5S,8S,9R)-2,3,5,9-tetramethyltricyclo[6.3.0.01,5]undec-2-ene
CC1CCC23C1CCC2(CC(=C3C)C)C