IUPAC: (1S,4aR,5S,8aR)-1,4a-dimethyl-6-methylidene-5-(3-methylpenta-2,4-dien-1-yl)-decahydronaphthalene-1-carboxylic acid

SMILES: CC(C=C)=CC[C@H]1C(=C)CC[C@@H]2[C@]1(C)CCC[C@]2(C)C(O)=O |w:4.4|