Importance

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Abstract

Novel insecticides have the formula ##STR1## in which R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 haloalkylthio, C.sub.2 -C.sub.5 carboalkoxy, C.sub.2 -C.sub.5 alkylcarbonyl, nitro or cyano; R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkylthio, C.sub.3 haloalkenoxy, nitro, cyano, C.sub.2 -C.sub.5 alkylcarbonyl, C.sub.1 -C.sub.4 alkylsulfonyl or C.sub.2 -C.sub.5 carboalkoxy; R.sub.3 is hydrogen, halogen, C.sub.1 -C.sub.4 haloalkyl or C.sub.1 -C.sub.4 alkoxy; provided that: R.sub.1, R.sub.2 and R.sub.3 are not all hydrogen; or R.sub.1 and R.sub.2 taken together are C.sub.2 -C.sub.4 alkylene, C.sub.2 -C.sub.4 alkyleneoxy, C.sub.1 -C.sub.2 perhaloalkyleneoxy, C.sub.1 -C.sub.4 alkylenedioxy or halo-C.sub.1 -C.sub.3 alkylenedioxy; R.sub.4 is methyl, ethyl, n-propyl, C.sub.3 -C.sub.5 branched alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.2 -C.sub.4 haloalkenyl or cyclopropyl optionally substituted by up to 4 methyl groups or up to 2 halogens; R.sub.5 is hydrogen or halogen; and R.sub.6 is hydrogen or mono- or poly-halogen.

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First Claim