4-AMINO6- (PHENY 4-REPLACED) -PICOLINATES AND 6-AMINO-2- (PHENY 4- REPLACED) -PYRIMIDINE-4-CARBOXYLATES, HERBICIDIC COMPOSITION, AND METHOD FOR UNDESIRABLE VEGETATION CONTROL

摘要

the present invention relates to 4-amino-6- (4-substituted phenyl) -picolinic acids and their derivatives, which are provided herein and 6-amino-2- (4-substituted phenyl) -pyrimidine-4-carboxylic acids and their derivatives, compositions comprising acids and their derivatives, and methods of using them as herbicides.