NOVEL THIONOBENZENE-PHOSPHONIC ACID O,O-DIESTERS AND THEIR USE AS INSECTICIDES AND ACARICIDES

摘要

O-Ethyl-O-[1,6-dihydro-1-substituted-6-oxo-pyridazin(3)yl]-thionobenze nephosphonic acid esters of the formula (I) in which R is alkyl, hydroxyalkyl, halogenoalkyl, cyanoalkyl, carbalkoxyalkyl or carboalkyl, with 1 to 4 carbon atoms in each alkyl radical, phenyl or phenyl substituted by alkyl with 1 to 4 carbon atoms, WHICH POSSESS INSECTICIDAL AND ACARICIDAL PROPERTIES.