Try searching for...
SCFBio, IIT Delhi
Formula: C19H22O6 | Mol. Weight: 346.40 g/mol
IUPAC: [(3aR,4R,6aR,9aR,9bR)-9-methyl-3,6-dimethylidene-2-oxo-4,5,6a,7,9a,9b-hexahydro-3aH-azuleno[4,5-b]furan-4-yl] (Z)-2,4-dihydroxybut-2-enoate
CC1=CCC2C1C3C(C(CC2=C)OC(=O)C(=CCO)O)C(=C)C(=O)O3