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Abstract

A crotonic acid amide derivative represented by formula (I): ##STR1## wherein X.sub.1, X.sub.2, X.sub.3, X.sub.4, and X.sub.5, which may be the same or different, each represents a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted lower alkyl group, a lower haloalkyl group, a lower haloalkoxy group, a nitro group, a substituted or unsubstituted lower alkanesulfonyl group, a substituted or unsubstituted alkanesulfonyloxy group, a substituted or unsubstituted benzenesulfonyl group, a substituted or unsubstituted benzenesulfonyloxy group, a substituted or unsubstituted phenoxy group, a substituted or unsubstituted benzyloxy group, a dialkylamino group, a mono- or di-lower alkanesulfonylamino group, a substituted or unsubstituted lower alkythio group, a --SO.sub.2 R.sub.1 wherein R.sub.1 represents a lower alkyl group or a lower haloalkyl group, a lower alkoxycarbonyloxy group, a substituted or unsubstituted alkoxycarbonyl group, a --CH.dbd.N--OR.sub.2 group wherein R.sub.2 represents a lower alkyl group, a substituted or unsubstituted pyrazolyl-1-yl group, a substituted or unsubstituted pyridyloxy group, or a pyrimidyl group; X.sub.2 may be bonded to X.sub.1 or X.sub.3 to form a ring, and an insectide containing the same. The compound of formula (I) has broad insecticidal activity against notixious insects, particularly Diptera and Lepidoptera.

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