发明授权
US4629494A Herbicidal sulfonamides 失效
除草磺酰胺

Herbicidal sulfonamides
摘要:
Certain substituted pyrimidine sulfonylureas, such as 3-[[[(4-(dimethoxymethyl)-6-methylpyrimidin-2-yl]aminocarbonyl]aminosulfonyl]-2-thiophenecarboxylic acid, methyl ester, are selective pre-emergence and/or post-emergence herbicides.
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