pyrasulfotole
pyrasulfotole
A pyrazole pesticide that is 1,3-dimethylpyrazol-5-ol in thich the hydrogen at position 4 has been replaced by a 2-(methylsulfonyl)-4-(trifluoromethyl)benzoyl group. A 4-hydroxyphenylpyruvate dioxygenase inhibitor, it is used as a herbicide (particularly in conjunction with the safener mefenpyr-diethyl) to control various broad-leaved weeds.