Patent ID: 6413911
Filing Date: 2002-07-02
Classification: A01N,C07D

Abstract:
A sulfonylurea of formula I whereR1 is a methyl or ethyl group; R2 is C1-C3-alkoxycarbonyl, a C1-C2-alkyl group which carries 1 to 5 fluorine atoms, methylsulfonyl, dimethylaminosulfonyl, methylthio, methyl sulfoxide, methylsulfonyloxy, trifluoromethoxy, difluoromethoxy, difluorochloromethoxy, difluorochloromethyl or nitro; R3 is hydrogen, methyl, methoxy, ethoxy, fluorine, chlorine or methylthio; W is hydrogen or chlorine, and Z is CH, or an agriculturally utilizable salt thereof.