IUPAC: (3E,3aR,8bS)-8,8-dimethyl-3-({[(2R)-4-methyl-5-oxo-2,5-dihydrofuran-2-yl]oxy}methylidene)-2H,3H,3aH,4H,5H,6H,7H,8H,8bH-indeno[1,2-b]furan-2,5-dione

SMILES: [H][C@]12CC3=C([C@@]1([H])OC(=O)\C2=C\O[C@@H]1OC(=O)C(C)=C1)C(C)(C)CCC3=O