alpha-cyano-3-phenoxybenzyl [1S-[1alpha(S*),3beta]]-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate (1S)-2,2-Dimethyl-3β-(2,2-dichlorovinyl)cyclopropane-1α-carboxylic acid (R)-α-cyano-3-phenoxybenzyl ester (1S)-3β-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropane-1α-carboxylic acid [(R)-cyano(3-phenoxyphenyl)methyl] ester (1S,3R)-3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid (R)-α-cyano-3-phenoxybenzyl ester (1S,αR)-trans-Cypermethrin alpha-Cyano-3-phenoxybenzyl (1S-(1alpha(S*),3beta))-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate Einecs 281-087-4 Cypermethrin (1S,2R,1?R)-Isomer