New herbicidal compounds of the formula (I) ##STR1## wherein A is oxygen or sulfur; B is O-C.sub.1 to C.sub.4 alkyl, O-C.sub.2 to C.sub.6 alkenyl, O-C.sub.6 to C.sub.10 aryl, O-C.sub.1 to C.sub.4 -alkoxy-C.sub.1 to C.sub.4 alkyl, S-C.sub.1 to C.sub.4 alkyl or dimethylamino; and X is chloro, bromo or iodo, are disclosed, as well as herbicidal compositions containing said compounds.
公开了具有式(I) ##STR1## 的新除草化合物,其中A是氧或
硫;B是O-C1至C4烷基、O-C2至C6烯基、O-C6至C10芳基、O-C1至C4-烷氧基-C1至C4烷基、S-C1至C4烷基或
二甲氨基;X是
氯、
溴或
碘,以及含有这些化合物的除草组合物。