abstract |
wherein R is methyl or ethyl R1 is C3-C5 alkyl optionally interrupted by O, S, NH R2 and R3 are independently of each other hydrogen, halogen, C1C4 alkyl or NO2 X and Y are independently of each other, oxygen or sulphur WHICH COMPOUNDS MAY BE USED AS PESTICIDES, IN PARTICULAR INSECTICIDES, ACARICIDES, NEMATOCIDES AND FUNGICIDES. Dithiophosphoric acid esters are provided having the formula |