IUPAC: (3aS,4S,4aR,7aR,8R,9aR)-4-hydroxy-4a,8-dimethyl-3-methylidene-2H,3H,3aH,4H,4aH,5H,7aH,8H,9H,9aH-azuleno[6,5-b]furan-2,5-dione

SMILES: [H][C@@]12C[C@@H](C)[C@]3([H])C=CC(=O)[C@@]3(C)[C@@H](O)[C@]1([H])C(=C)C(=O)O2 |c:7|