| 摘要 |
<p>This invention provides compounds of the formula < IMG > wherein X is chloro, bromo or iodo, R is an acyclic 1-alkenyl-1-yl radical having up to 8 carbon atoms, a C5-7 1-cycloalken-1-yl radical or one of said radicals substituted with one or more C1-4 alkyl radicals and A is an unsubstituted or C1-4 alkyl-substituted pyrazolyl, imidazolyl, triazolyl or tetrazolyl radical. The compounds of this invention are useful as herbicides, exhibiting both pre- and post-emergence activity.</p> |
