Try searching for...
SCFBio, IIT Delhi
Formula: C20H22O6 | Mol. Weight: 358.40 g/mol
IUPAC: (1S,2R,4R,7S,9R,12S,14R,17R)-4-(furan-3-yl)-2,17-dimethyl-5,10,13-trioxapentacyclo[7.7.1.02,7.012,14.012,17]heptadecane-6,11-dione
CC12CC(OC(=O)C1CC3C4(C2CCC5C4(O5)C(=O)O3)C)C6=COC=C6