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PROCESS FOR PREPARING AMIXTURE OF STEREOISOMERS OF ALPHA-CIANO-3-PHENOXYBENZYL-2-(4-CHLOPHENYL)-ISOVALERATE HAVING INCREASED INSECTICIDAL AND ACARICIDAL ACTIVITY AND INSECTICIDAL AND ACARICIDAL COMPOSITIONS THEREOF
PROCESS FOR PREPARING AMIXTURE OF STEREOISOMERS OF ALPHA-CIANO-3-PHENOXYBENZYL-2-(4-CHLOPHENYL)-ISOVALERATE HAVING INCREASED INSECTICIDAL AND ACARICIDAL ACTIVITY AND INSECTICIDAL AND ACARICIDAL COMPOSITIONS THEREOF