Try searching for...
SCFBio, IIT Delhi
Formula: C15H22O | Mol. Weight: 218.33 g/mol
IUPAC: (1S,8R)-3,7,11,11-tetramethyl-12-oxatricyclo[6.3.1.01,6]dodeca-2,6-diene
CC1=CC23C(=C(C(O2)CCC3(C)C)C)CC1