Substituted pyridazinyl (thiono) (thio) - phosphorus (phosphorus phone) - saeureesterderivate, processes for their preparation and their use as insecticides and acaricides,

摘要

The pyridazin-3-yl for the sulphur that O- alkyl-O-6 replace!(thiono) wherein R indicate alkyl formula ##STR1## (mercaptan)-phosphorus (phosphoric acid) acid ester,PPR.sup.1 indicates alkyl, alkylthio group or alkylamino,PPR.sup.2 indicate can be optionally single base instead of or polysubstituted alkyl, alkenyl, alkynyl or phenyl,PPX indicate oxygen or sulphur.PossessPPof insecticide and mite killing attribute.