Try searching for...
SCFBio, IIT Delhi
Formula: C20H26O4 | Mol. Weight: 330.40 g/mol
IUPAC: 11-methyl-6-methylidene-12-oxo-13-oxapentacyclo[9.3.3.15,8.01,10.02,8]octadecane-9-carboxylic acid
CC12CCCC3(C1C(C45C3CCC(C4)C(=C)C5)C(=O)O)COC2=O