| 摘要 |
PI/5-18178/A Carboxymethylcyclopropane derivatives Novel 2-(2-chloro-2-fluorocyclopropyl)-acetic acid derivatives of formula I (I), wherein X is oxygen or-NR-, Y is hydrogen, or is C1-C20alkyl, C3-C7cycloalkyl, C3-C20alkenyl, C3-C20alkynyl, benzyl or aryl, each of which is unsubstituted or substituted, and R is hydrogen or C1-C6alkyl, can be used as pesticides. Especially insects and arachnids can be controlled.
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