3-(Substituted phenyl)pyrazole derivatives, salts thereof, herbicides therefrom, and process for producing said derivatives or salts

摘要

There are disclosed a (3-substituted phenyl)pyrazole derivative represented by the general formulawherein R¹, R², R³, R⁴ and X are various substituents and a salt thereof, and its production process. Said pyrazole derivative or its salt is useful as a herbicide for controlling various injurious weeds.