Similar names: Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, trans-; rel-(1R,3S)-3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid; (±)-trans-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid; (±)-trans-Cypermethric acid; (±)-trans-Permethrinic acid; trans-(Dichlorovinyl)dimethylcyclopropanecarboxylic acid; trans-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane-1-carboxylic acid; trans-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid; trans-DCCA; trans-Permethric acid; Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (1R,3S)-rel-; trans-Permethrinic Acid