abstract |
New compounds of the formula WHEREIN R1 represents C1-C14-alkyl, R2 represents methyl or ethyl, Y represents O, -CH2-, C O or S, and one of the radicals Z or W stands for oxygen, while the other represents sulphur, ARE DISCLOSED, A PROCESS FOR THEIR PREPARATION AND A METHOD FOR COMBATING PESTS BY APPLYING THE COMPOUNDS TO THE SAID PESTS. |