An acetanilide derivative of the following formula (I) and a herbicide containing one or more of the acetanilide derivative as the active ingredient are described. ##STR1## In the formula, R.sup.1 is a lower alkyl group; R.sup.2 is a fluorine-substituted lower alkyl group; A is ##STR2## B is an optionally substituted pyrazolyl group, an optionally substituted alkoxy group or a hydrogen atom. The acetanilide derivative and the herbicide have a selective weed killing activity to gramiveous weeds.
本文描述了以下式(I)的
乙酰苯胺衍
生物和含有一种或多种
乙酰苯胺衍
生物作为活性成分的
除草剂。 ##STR1## 在公式中,R.sup.1是较低烷基基团;R.sup.2是
氟代较低烷基基团;A是 ##STR2## B是可选取代的
吡唑基团、可选取代的烷氧基或氢原子。该
乙酰苯胺衍
生物和
除草剂具有对禾本科杂草的选择性除草活性。