| abstract |
Organic phosphoric acid derivatives of the formula WHEREIN R1 is C3-C5 alkyl, optionally interrupted by oxygen or sulphur, R2 is methyl or ethyl, R3 is alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl trihaloalkyl, R4 and R5 are each independently hydrogen, C1-C5, alkyl or halogen and X is oxygen or sulphur, their manufacture and their use in pest control. |