2-methanesulfonylamino-4-nitrobenzoic acid 、
1-(2,4-二甲基苯基)哌嗪 以N-{2-[4-(2,4-dimethylphenyl)piperazine-1-carbonyl]-5-nitrophenyl}methanesulfonamide (330 mg) was obtained的产率得到N-{2-[4-(2,4-dimethylphenyl)piperazine-1-carbonyl]-5-nitrophenyl}methanesulfonamide