Try searching for...
SCFBio, IIT Delhi
Formula: C20H24O5 | Mol. Weight: 344.40 g/mol
IUPAC: (1S,5S,5'R,6S,9R)-5'-(hydroxymethyl)-4',4'-dimethyl-10-methylidenespiro[3-oxatricyclo[7.2.1.01,6]dodecane-5,6'-cyclohex-2-ene]-1',2,11-trione
CC1(C=CC(=O)C2(C1CO)COC(=O)C34C2CCC(C3)C(=C)C4=O)C