There are provided alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids and 5-heterocyclic 2-(2-imidazolin-2-yl)pyridine compounds, which are effective for the control of undesirable plant species. Also described are methods for the herbicidal use of said compounds and methods for their preparation.
本发明提供了 5-杂环
吡啶-2,3-二
羧酸的烷基酯和 5-杂环 2-(
2-咪唑啉-2-基)
吡啶化合物,它们可有效控制不良植物物种。此外,还介绍了上述化合物的除草方法及其制备方法。