1: With hydrogenchloride in water T=30 - 50°C; Sandmeyer reaction; 1 h; 2: With sodium nitrite in water T=-5 - 0°C; Sandmeyer reaction; 0.916667 h; 3: With thionyl chloride; water; copper(l) chloride T=-5 - 0°C; Sandmeyer reaction; 2.83333 h;