Synonyms: Cyclopropanecarboxylicacid, 3-(2,2-dichlorovinyl)-2,2-dimethyl- (6CI); 2,2-Dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylicacid; 3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid;3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid;3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropylcarboxylic acid; DV-chrysanthemicacid; Permethric acid; Permethrinic acid