Try searching for...
SCFBio, IIT Delhi
Formula: C20H22O5 | Mol. Weight: 342.40 g/mol
IUPAC: (1S,4S,7R,9R,10R,14R)-7-(furan-3-yl)-9-methyl-6,16-dioxatetracyclo[8.7.0.01,14.04,9]heptadec-12-ene-5,15-dione
CC12CC(OC(=O)C1CCC34C2CC=CC3C(=O)OC4)C5=COC=C5