| 摘要 |
<p>The present invention relates to novel esters of O-(pyridyloxy-phenyl)-lactic acids which have a herbicidal action and a plant-growth-regulating action, which esters correspond to the formula I in whlch "Hal" is a halogen atom, X is hydrogen or a halogen atom, Y is an oxygen or sulfur atom, Z is a C1-C4-alkyl group which is unsubstituted or is substituted by methyl, ethyl, cyano, methylcarbonyl, or by the group -COQ, and Q is an -OH or SH group, the salt of a carbonyl or thiocarbonyl acid, or an ester function, thioester function or amide function.</p> |
