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ALKOXY- OR ALKYLTHIOS-SUBSTITUTED PYRIMIDINE- (THIONO) (THIOL) -PHOSPHOR (PHOSPHON)-ACID RESIDENTS PROCEDURE FOR THEIR PREPARATION AND THEIR USE AS INSECTICIDES AND INSECTICIDES
ALKOXY- OR ALKYLTHIOS-SUBSTITUTED PYRIMIDINE- (THIONO) (THIOL) -PHOSPHOR (PHOSPHON)-ACID RESIDENTS PROCEDURE FOR THEIR PREPARATION AND THEIR USE AS INSECTICIDES AND INSECTICIDES
O-alkyl-O-[5-substituted-pyrimidin(4)yl]-(thiono)(thiol)-phosphoric (phosphonic) acid esters of the formula IMAGE in which R and R2 each independently is alkyl, R1 is hydrogen or alkyl, R3 is alkyl, alkoxy, alkylthio or phenyl, and X and Y each independently is oxygen or sulfur, WHICH POSSESS ARTHROPODICIDAL PROPERTIES.
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