| 摘要 |
Compounds and compositions of the formula: <IMAGE> where R and R' are both alkyl, C1-C3; or R is acyl, C2-C6 and R' is alkyl, C1-C6 or hydrogen; or R is carbalkoxyalkyl, C2-C6 and R' is hydrogen; X is oxygen or sulfur; and; Y and Z are both alkyl, C1-C6; are described herein. The compositions exhibit insecticidal and miticidal activity.
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