The present invention relates to new 1-(bis-trifluoromethylphenyl)-2-oxo-pyrrolidine-4-carboxylic acid derivatives, to processes for their production, to compositions containing these active substances, as well as to the use of these active substances and compositions for the regulation of plant growth and as herbicides. These derivatives correspond to formula I ##STR1## wherein A represents the nitrile or carboxylic acid group or a derivative of the carboxylic acid.
本发明涉及新的1-(双三
氟甲基苯基)-2-氧代
吡咯烷-4-
羧酸衍
生物,其制备方法,含有这些活性物质的组合物,以及这些活性物质和组合物用于植物生长调节和
除草剂的用途。这些衍
生物对应于公式I ##STR1## 其中A代表腈基或
羧酸基或
羧酸的衍
生物。