1: 5-amino-1-(2,6-dichloro-4-trifluoromethyl-phenyl)-4-thiocyanato-1H-pyrazole-3-carbonitrile With sulfur dioxide; sodium formate in DMF (N,N-dimethyl-formamide) T=20°C; 0.0833333 h; 2: monobromotrifluoromethane in DMF (N,N-dimethyl-formamide) T=20 - 45°C; P=8625.86 Torr; 1.5 h; Product distribution / selectivity;