E. I. du Pont de Nemours and Company
Nematocidal heterocyclic amides

Abstract:

Disclosed are compounds of Formulae 1, 1a, 1b and 2, ##STR00001## wherein R.sup.1, R.sup.1a, R.sup.1b, R.sup.2, R.sup.3 and R.sup.4 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formulae 1, 1a and 1b, and methods for controlling a parasitic nematode comprising contacting the parasitic nematode or its environment with a biologically effective amount of a compound or composition of Formulae 1, 1a, 1b and 2.