2.由苯为原料合成:4-硝基-2,6-二溴乙苯。+C2H5BrAlCl 3C2H5HHNSOO3O2N C2H5BFre2C2H5NO22 4Br5-23.由甲苯为原料合成:邻硝基对苯二甲酸。5-26.以甲苯为原料合成:3,5-二硝基苯甲酸。KMnO 4 HNO 3O2NHNO3O2NCH3KMnO 4COOHHHN2SOO34COOHH2SO4COOH2 4O2N5-27.由...