Combatting insects and mites with 1-carbamyl-4h-1,2,4-triazolin-5-ones and thiones

Abstract From the Canadian patent

Insects and mites are combated by applying to the locus of insects in at least one stage of the insects' life cycle an effective amount of a compound having the structural formula, in which X and X' may be oxygen or sulfur R may be alkyl, cycloalkyl, aryl, alkenyl alkynyl, optionally substituted, with halogen hydroxy, alkoxy, nitro, mercapto or alkylthio substituents, R' may be hydrogen, alkyl cycloalkyl, alkenyl, alkynyl, aryl etc. and if R' is not hydrogen one of R" and R"' may be hydrogen while one or both may be alkyl, optionally substituted with halogen hydroxy, alkoxy, mercapto or alkylthio substituents or R" and R"' together may be part of a heterocyclic ring containing 2 to 6 carbon …