The present invention provides a compound of formula (I) wherein R4 is of sub-formula (a) or (b) and wherein the other substituents are as defined in the specification. The compounds of formula (I) are potentially useful as herbicides.
本发明提供了式(I)的化合物,其中R4是亚式(a)或(b)的子式,而其他取代基如规范中所定义。式(I)的化合物可能作为
除草剂有潜在的用途。