摘要 |
Novel difluoromethanesulfonamide derivatives of the formula (I) Difluoromethanesulfonamide derivatives represented by the formula wherein X represents halogen, Y represents CH or N, R<SUP>1 </SUP>represents hydrogen, and R<SUP>2 </SUP>represents hydrogen or hydroxy, or R<SUP>1 </SUP>and R<SUP>2 </SUP>together may form C=O with the carbon atom to which they are bonded, and their use as herbicide for paddy field weeds.
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