Try searching for...
SCFBio, IIT Delhi
Formula: C13H18O2 | Mol. Weight: 206.28 g/mol
IUPAC: 4-(2,2,6-trimethyl-7-oxabicyclo[4.1.0]hept-4-en-1-yl)but-3-en-2-one
CC(=O)C=CC12C(CC=CC1(O2)C)(C)C