| 摘要 |
<p>Novel fused tricyclic compounds represented by formula (I) are described. Q, Y, -L-X-, A, A', B, E, D, n and m are as defined in the disclosure. Also described are the processes for the manufacture of these compounds and agriculturally suitable compositions containing these as active ingredients which are useful as herbicides for general or selective pre-emergent or post-emergent control of undesired plant species.</p> |
