发明授权
US5922726A Herbicidal 6-thienyl pyridines and 4-thienyl pyrimidines 失效
除草剂6-噻吩基吡啶和4-噻吩基嘧啶

Herbicidal 6-thienyl pyridines and 4-thienyl pyrimidines
摘要:
The novel 6-thienyl pyridines and 4-thienyl pyrimidines of formula I: ##STR1## (A, R.sub.1 to R.sub.5 and Z are defined in the specification) show selective herbicidal activity.The new compounds can be prepared according to known methods and can be used as herbicides in agriculture and related fields.
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