Try searching for...
SCFBio, IIT Delhi
Formula: C15H18O4 | Mol. Weight: 262.30 g/mol
IUPAC: (1R,3S,5S,6S,8S)-6-methyl-11-methylidene-5-[(E)-3-oxobut-1-enyl]-4,9-dioxatricyclo[6.3.0.03,5]undecan-10-one
CC1CC2C(CC3C1(O3)C=CC(=O)C)C(=C)C(=O)O2