Try searching for...
SCFBio, IIT Delhi
Formula: C15H20O4 | Mol. Weight: 264.32 g/mol
IUPAC: (1R,3S,5R,8R,10S,12S)-5,10-dimethyl-15-methylidene-4,9,13-trioxatetracyclo[10.3.0.03,5.08,10]pentadecan-14-one
CC12CCC3C(O3)(CC4C(CC1O2)C(=C)C(=O)O4)C