| 摘要 |
<p>Novel herbicidally active fluoroalkoxyphenylsulphonylguanidines of the formula <IMAGE> in which M is hydrogen or one equivalent of a metal, R1 is fluorine-substituted alkyl, and R2, R3 and R4 each independently is hydrogen or various organic radicals, or 1:1 adducts thereof with strong acids.</p> |
