Carboxylic acid derivatives

摘要

There are described compounds of formulain free form or in salt form,a process for the preparation of such compounds and the use of such compounds, pesticidal compositions in which the active ingredient is selected from those compounds, in free form or in an agrochemically suitable salt form, a method of preparing such compositions and the use of such compositions, plant propagation material treated with such compositions, and a method of controlling pests.