4-alkylthio-2-trifluoromethylalkane-sulfonanilides and...
4-chloro-3,5-dinitrobenzenesulfonamide and method for its...
4-isopropylphenylureas for combating weeds in wheat, rye,...
4-methylthio-2-trifluoromethylmethanesulfonanillde and...
4-phenyl-1,2,3-thiadiazoles as herbicide extenders
4-phenylthioalkanesulfonanilides and derivatives thereof
4-substituted isoxazole herbicides