Cyclopropanecarboxylic acid, 3-(2,2-dichlorovinyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester, cis- mixed with trans-3-(2,2-dichloroethenyl)-2,2- dimethylcyclopropanecarboxylic acid (3-phenoxyphenyl)methyl ester (2:3) GZ1261000 Permethrin racemic mixture