Synonyms: (E,E)-2-(4-Carboxy-3-methyl-1,3-butadienyl)-1,3-dimethyl-4-oxo-2-cyclohexene-1-carboxylic acid;2-Cyclohexene-1-carboxylic acid, 2-(4-carboxy-3-methyl-1,3-butadienyl)-1,3-dimethyl-4-oxo-, (E,E)-;AC1O656G;LS-57424;2-[(1E,3E)-5-hydroxy-3-methyl-5-oxopenta-1,3-dienyl]-1,3-dimethyl-4-oxocyclohex-2-ene-1-carboxylic acid;67192-53-4