IUPAC: (1S,4aR,5S,8aR)-5-[2-(5-methoxy-2-oxo-2,5-dihydrofuran-3-yl)ethyl]-1,4a-dimethyl-6-methylidene-decahydronaphthalene-1-carboxylic acid

SMILES: COC1OC(=O)C(CC[C@H]2C(=C)CC[C@@H]3[C@]2(C)CCC[C@]3(C)C(O)=O)=C1 |c:26|