FIELD: organic chemistry, herbicides, agriculture.
SUBSTANCE: invention describes benzoylpyrazoles of the general formula (I): 
wherein R1 means methyl; R2 means trifluoromethyl; R3 means hydrogen atom, methyl; R4 means methyl, ethyl; R5 means hydrogen atom, phenylsulfonyl substituted with methyl, benzoylmethyl substituted once with nitro-group, and herbicide agent based on thereof. Benzoylpyrazoles are used for selective control of weeds and weed grasses in useful plants.
EFFECT: valuable properties of substances and herbicides.
6 cl, 5 tbl, 7 ex
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