2-Hydroxy-2-methyl-5-(2',2',3'-trimethylcyclopenten-3'-yl)pent-3-en-1-carboxylic acid sodium 2-Hydroxy-2-methyl-5-(2,2,3-trimethylcyclopent-3-enyl)pent-3-ene-1-carboxylic acid 3-Hydroxy-3-methyl-6-(2,2,3-trimethyl-3-cyclopenten-1-yl)-4-hexenoic acid 4-HEXENOIC ACID, 3-HYDROXY-3-METHYL-6-(2,2,3-TRIMETHYL-3-CYCLOPENTEN-1-YL)-, MON 4-Hexenoic acid, 3-hydroxy-3-methyl-6-(2,2,3-trimethyl-3-cyclopenten-1-yl)-, monosodium salt 57272-29-4