Try searching for...
SCFBio, IIT Delhi
Formula: C20H24O5 | Mol. Weight: 344.40 g/mol
IUPAC: [(6E,10E)-6,10-dimethyl-3-methylidene-2,9-dioxo-4,5,8,11a-tetrahydro-3aH-cyclodeca[b]furan-4-yl] (Z)-2-methylbut-2-enoate
CC=C(C)C(=O)OC1CC(=CCC(=O)C(=CC2C1C(=C)C(=O)O2)C)C