Herbicidally active pyridine sulfonyl urea derivatives
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United States of America Patent
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Oct 19, 2004
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app pub date -
Jan 8, 2003
filing date -
Oct 12, 2000
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Abstract
The present invention relates to pyridine sulfonyl urea derivatives, salts or stereochemical isomers thereof showing an effective herbicidal activity in pre- and/or post-emergence treatment in rice farming, or to a method to use thereof, a method for the preparation thereof, an intermediate used for the preparation thereof, and a herbicidal composition comprising same.
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