Synonyms: Cyclopropanecarboxylicacid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester,trans-; (?à)-trans-Permethrin;1RS,trans-Permethrin; NRDC 146; trans-(?à)-Permethrin; trans-Permethrin; trans-m-Phenoxybenzyl3-(2,2-dichlorovinyl-2,2-dimethylcyclopropanecarboxylate