.alpha.-Cyano-4-fluoro-3-phenoxybenzyl [1.alpha.(S*),3.alpha.]-(±)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
[1.alpha.(S*),3.alpha.]-(±)-3-(2,2-dichlorovinyl)-2,2-diméthylcyclopropanecarboxylate de .alpha.-cyano-4-fluoro-3-phénoxybenzyle