IUPAC: (1S,4S,8R,14S)-11-ethyl-12-oxo-7,9,13-trioxatetracyclo[6.5.1.0^{1,10}.0^{4,14}]tetradeca-2,5-diene-5-carboxylic acid

SMILES: [H][C@@]12C=C[C@@]34OC(=O)C(CC)C3O[C@@H](OC=C1C(O)=O)[C@@]24[H] |c:2,16|