Halogenated esters.

摘要

The invention provides insecticidally and acaricidally active compounds of formula (I) : <CHEM> and stereoisomers thereof, wherein R<1> is selected from chlorine, bromine and fluorine, X is selected from hydrogen and halogen, and Y is selected from hydrogen and halogen, insecticidal and acaricidal compositions containing them and processes for their preparation.