| 摘要 |
Insecticides of the general formula <IMAGE> wherein R1 is an optionally substituted 5- to 10-member heterocyclic moiety; R2 is an optionally substituted alkyl, cycloalkyl or alkenyl moiety; X is oxygen, sulfur or -NH-; and R3 is: (a) an optionally substituted 3-phenoxyphenalkyl, 3-phenoxypyridylalkyl, 3-(pyridyloxy)phenalkyl, 3-phenylaminophenalkyl, 3-benzylphenalkyl or 3-benzyloxyphenalkyl moiety; (b) a benzylfuranylmethyl moiety; (c) a 3- or 4-substituted benzyl or tetrafluorobenzyl moiety; (d) 4-phenoxy-2-butyn-2-yl; or (e) 2-methyl-3-phenylbenzyl.
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