| 摘要 |
Novel insecticides of the formula <IMAGE> in which R is a hydrogen atom or a lower alkyl group, X is a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio-group, a lower alkylsulfinyl group, a lower alkylsulfonyl group, a lower alkenyl group, a lower alkynyl group, an aryl group, an aryloxy group which may be optionally substituted by a halogen atom, an arylthio group which may be optionally substituted by a halogen atom, or an aralkyl group, l is 1, 2, 3 or 4, m is 2, 3, or 4, and n is 0, 1, 2 or 3, or salts thereof. Intermediates therefor of the formula <IMAGE> are also new.
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