Synonyms: (1R,3R)-3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid;(1R,3R)-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid;(1R-cis)-3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid;1R-cis-Permethric acid;cis-DCVA;cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (1R,3R)-;Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (1R,3R)-rel-