The present invention relates to novel pyridinesulfonylurea derivatives, having a herbicidal activity, which is described in the following structure of general formula (I) ##STR1## wherein, Q is Q-1, Q-2, Q-3 or Q-4 as follows; ##STR2## E is single bond or CH.sub.2 R.sup.2 is C.sub.1 -C.sub.6 alkyl substituted with 1 to 3 halogens; R.sup.1, R.sup.3, W and A are defined in the claims; and these may be an agriculturally suitable salt.
本发明涉及一种新型
吡啶磺酰
脲衍
生物,具有除草活性,其通式(I)如下所示: ##STR1## 其中,Q为Q-1、Q-2、Q-3或Q-4,如下所示; ##STR2## E为单键或CH.sub.2,R.sup.2为C.sub.1-C.sub.6烷基,其上取代1至3个卤素;R.sup.1、R.sup.3、W和A在权利要求中定义;并且这些可以是农业适用的盐。