Try searching for...
SCFBio, IIT Delhi
Formula: C15H22O | Mol. Weight: 218.33 g/mol
IUPAC: (4aS,8S,8aR)-5-methyl-8-propan-2-yl-3,4,4a,7,8,8a-hexahydronaphthalene-2-carbaldehyde
CC1=CCC(C2C1CCC(=C2)C=O)C(C)C