Novel compounds of the formula: ##STR1## wherein R.sub.1 is a pyrazolyl group which may be substituted; R.sub.2 and R.sub.3 respectively are a lower alkyl group or a lower alkoxy group; and Z is CH or N, which are useful as herbicides.
公式为:##STR1##的新化合物,其中R.sub.1是可能被取代的
吡唑基;R.sub.2和R.sub.3分别是低级烷基或低级烷氧基;Z为CH或N,这些化合物可用作
除草剂。