Alphamethrine, (RS)-α-cyano-3-phenoxybenzyl (1RS)-cis-trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, Cymperator, (RS)-α-cyano-3-phenoxybenzyl (1RS,3RS, 1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, Cypermethrin, cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate, (Ξ)-cyano(3-phenoxyphenyl)methyl (1Ξ,3Ξ)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate