| 摘要 |
Novel esters in all possible isomeric forms and mixtures thereof of the formula <IMAGE> I wherein A is selected from the group consisting of <IMAGE> R is selected from the group consisting of hydrogen, -CN and -C 3BOND CH, Y is selected from the group consisting of oxygen and sulfur, Z is selected from the group consisting of alkyl and alkoxy of 1 to 4 carbon atoms, alkylthio and alkylsulfonyl of 1 to 4 carbon atoms, cycloalkyl of 3 to 4 carbon atoms, 3,4-methylenedioxy, chlorine, fluorine and bromine, n is an integer of 0, 1 or 2, Z1 and Z2 may both be methyl or Z1 is hydrogen and Z2 is <IMAGE> R3 is selected from the group consisting of hydrogen and halogen, R1 and R2 are individually alkyl of 1 to 8 carbon atoms or taken together with the carbon they are attached to form cycloalkyl of 3 to 6 carbon atoms or <IMAGE> X is selected from the group consisting of oxygen and sulfur, T is at least one member of the group consisting of halogen, alkyl of 1 to 8 carbon atoms, alkoxy of 1 to 8 carbon atoms optionally substituted with at least one halogen and -CF3 and m is an integer from 0, 1 or 2 having insecticidal activity as well as nematocidal and acaricidal activity.
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