| 摘要 |
<p>The invention relates to phenoxyacetic acid derivatives of formula (I), wherein R1, R2, Xn and A are as defined in the description, A represents a halogen atom, hydroxy, OR3, S(O)kR3, or a group of formula (A-1) or (A-2), wherein R3-R5 and k have the meanings given in the description, and to their use as herbicides.</p> |
