| 摘要 |
Pesticidal compositions containing at least one phosphoric ester insecticide of which the molecule has at least one alkyl group of one to three carbon atoms, an agent for stabilising the said ester against decomposition by protonisation and used in an amount of 0.2 to 10% based on the weight of phosphoric ester, characterised in that the stabilising agent contains at least one compound selected from the compounds of the chemical class of 1,3-benzodioxoles and optionally in addition to it a further compound selected from elemental sulphur, from a divalent sulphur compound and from a diazene.
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