| abstract |
Disclosed herein are N-substituted-3-(nitrogen-containing 5-membered ring)benzenesulfonamide derivatives of the formula (I): ##STR1## R 1 is H, Cl, C 1 -C 3 alkyl or C 1 -C 4 alkoxycarbonyl; Z is CH or N; X 1 is C 1 -C 3 alkyl, C 1 -C 3 alkoxyl or Cl; and X 2 is C 1 -C 3 alkyl or C 1 -C 3 alkoxyl, a process for the preparation thereof, and herbicidal compositions containing the N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide derivatives as active ingredients. |