| 摘要 |
Compounds usable as herbicides and having the formula (I) <IMAGE> in which: * X, Y and Z represent a hydrogen atom or a halogen atom or an alkyl or haloalkyl or alkoxy group, one at least of the radicals X, Y or Z having a meaning other than the hydrogen atom, * Ar represents a phenyl group, optionally mono- or polysubstituted by a lower alkyl or lower alkoxy or lower alkylthio or phenyl or phenoxy group or a halogen atom, or a heterocycle Het, * Het represents a 5- or 6-membered heterocyclic ring containing one or more heteroatom(s) such as sulphur, nitrogen or oxygen, this heterocyclic ring being optionally mono- or polysubstituted by a lower alkyl or lower alkoxy or lower alkylthio group or a halogen atom. The herbicide compositions containing the products of formula (I) and the weeding processes using the compounds of formula (I) or the compositions containing them. |
