PROCESS FOR THE PREPARATION OF O-METHYL-O- (3,5,6-TRICLORO-PIRIDO-2-IL) -THEOPHOSPHONIC ACID ESTERES, PESTICIDE COMPOSITES, PROCESSES FOR COMBATING PEST, FOR COMBATING DIPTERS AND FOR PREPARING COMPOSITES

摘要

The invention relates to novel O-methyl O-(3,5,6-trichloropyrid- 2-yl)thionophosphonic acid esters of the formula (I) IMAGE in which R represents methyl or ethyl, which esters can be used as pesticides.