1: 4-nitro-aniline With hydrogenchloride in water T=0 - 5°C; 0.0833333 h; 2: With 1-(4-(nitrosooxy)butyl)-3-methylimidazolium chloride in water T=0 - 5°C; 0.416667 h; 3: benzene-1,2-diol With sodium hydroxide in water T=0°C; 0.333333 h;