N-ISO-PROPYL-S-(1,6-DIHYDRO-6-(THI)OXO-PYRIDAZIN-1-YL-METHYL)- THIOLPHOSPHORIC ACID ESTER-AMIDES, A PROCESS FOR THEIR PREPARATION AND THEIR USE AS AGENTS FOR COMBATING PESTS

摘要

O-Alkyl-N-iso-propyl-S-(1,6-dihydro-6-(thi)oxo-pyridazin-1-yl-methyl)- thiolphosphoric acid ester-amides of the formula in which R is alkyl with 1 to 6 carbon atoms and X is oxygen or sulphur, which possess arthropodicidal and nematicidal properties.