3-alkoxy, thioalkyl and amino-4-amino-6-(substituted)picolinic acids having a halogen, alkyl or mono-, di-tri- and tetra-substituted aryl substituents in the 6-position, and their acid derivatives, are herbicides demonstrating a broad spectrum of weed control.
3-烷氧基,
硫代烷基和
氨基-4-
氨基-6-(取代)
吡啶甲酸在6位具有卤素,烷基或单,二,三和四取代芳基取代基的酸衍
生物是具有广谱杂草控制作用的
除草剂。