| 摘要 |
NEW MATERIAL:N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-4-ethoxyc- arbonyl-1-methyl-5-pyrazolesulfonamide of formula I. USE:Herbicide applicable for the control of weeds in an uncultivated land such as play ground and vacant land, etc., as well as agricultural or horticultural fields such as plowed land, paddy field, etc. PREPARATION:The compound of formula I can be produced by reacting the pyrazolesulfonylisocyanate derivative of formula II with the aminopyrimidine derivative of formula III in an inert solvent.
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