137-47-3 4-Chloro-3-nitro-N,N-dimethylbenzenesulfonamide 4-Chloro-N,N-dimethyl-3-nitrobenzenesulphonamide Benzenesulfonamide, 4-chloro-N,N-dimethyl-3-nitro- EINECS 205-295-1 NSC 231629