FMC Corporation
DIAMINO-SUBSTITUTED PYRIDINES AND PYRIMIDINES AS HERBICIDES

Abstract:

Disclosed are compounds of Formula 1, including all stereoisomers, A-oxides, and salts thereof, wherein A is selected from and X, Q.sup.1, Q.sup.2, Q.sup.3, Q.sup.4, R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and n are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention. ##STR00001##