发明授权
US4877439A Herbicidal 1-arylpyrazoles, compositions and use 失效
除草1-芳基吡唑,组合物和用途

Herbicidal 1-arylpyrazoles, compositions and use
摘要:
Herbicidal 1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen or nitro,R.sup.2 represents hydrogen or alkyl,R.sup.3 and R.sup.4 independently of one another each represent alkyl, halogenoalkyl or optionally substituted aryl,Ar represents optionally substituted phenyl or optionally substituted pyridyl,x represents a number 0 or 1 andy represents a number 0 or 1.
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