Herbicidal compounds represented by the formula: ##STR1## wherein R is t-butyl; R.sup.1 is hydrogen or methyl; R.sup.2 is alkyl (C.sub.2 to C.sub.6), alkenyl (C.sub.3 to C.sub.4) or cyclopropyl; and X is hydrogen or halogen; and herbicidal compositions containing them.
式为:##STR1##的
除草剂化合物,其中R为叔丁基;R.sup.1为氢或甲基;R.sup.2为烷基(C.sub.2 to C.sub.6),烯基(C.sub.3 to C.sub.4)或环丙基;X为氢或卤素;以及含有它们的
除草剂组合物。