[EN] HERBICIDALLY ACTIVE PYRIDINE SULFONYL UREA DERIVATIVES<br/>[FR] DERIVES DE PYRIDINE SULFONYL UREE A ACTIVITE HERBICIDE
申请人:LG CHEM INVESTMENT LTD
公开号:WO2002030921A1
公开(公告)日:2002-04-18
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 intemediate used for the preparation thereof, and a herbicidal composition comprising same.