| 摘要 |
This invention relates to novel compounds of the formula <IMAGE> wherein R1 is lower alkenyl or lower alkynyl; R2 is lower alkenyl, lower alkynyl or cycloalkyl; R3 is hydrogen; R4 is alkyl, cycloalkyl or lower alkoxycarbonylalkyl or R2 and R3 are joined to form dimethyleneoxy (i.e. -CH2OCH2-) or R3 and R4 taken together with the nitrogen to which they are attached, form a 5- to 6- membered heterocyclic ring, compositions containing said compounds and a method of employing said compounds as arthropod repellents.
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