| abstract |
Compounds of the formula WHEREIN R1 is C1-C4 alkyl, C1-C4 alkoxy, amino, C1-C4 alkylamino, bis-(C1-C4 alkyl)amino or a phenyl group unsubstituted or substituted up to three times with C1-C4 alkyl, C1-C4 alkoxy and/or halogen, R2 is C1-C4 alkyl, X is oxygen or sulphur and Y is chlorine, bromine or iodine, their manufacture and their use for combating various pests. |