| 摘要 |
<p>Imidazolidin-2-one derivatives represented by formula I, (wherein R1 represents H, lower alkyl, lower alkoxy-lower alkyl, benzyl, lower alkoxycarbonyl-lower alkyl, or lower alkylcarbamoyloxy, R2 represents -Ar or -CONH-Ar (wherein Ar represents phenyl, phenoxyphenyl or aralkyloxyphenyl, which may optionally be substituted by halogen, nitro, lower alkyl, lower alkoxy or haloalkyl), process for their preparation, and herbicides containing them. </p> |
