(1R,αR)-cis-Cypermethrin

3β-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropane-1β-carboxylic acid (R)-α-cyano-3-phenoxybenzyl ester

alpha-cyano-3-phenoxybenzyl [1R-[1alpha(R*),3alpha]]-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate