A compound selected from: 5-Chloro-4-[4-chloro-2-(2-piperazin-1-ylpyrimidin-4-yl)phenoxy]-2-fluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 5-Chloro-4-[4-chloro-2-(2-piperazin-1-ylpyrimidin-4-yl)phenoxy]-2-fluoro-N-1,3,4-thiadiazol-2-ylbenzenesulfonamide; 5-Chloro-2-fluoro-4-[5-fluoro-2-pyridazin-4-yl-4-(trifluoromethyl)phenoxy]-N-1,3-thiazol-4-ylbenzenesulfonamide; 5-Chloro-2-fluoro-4-[4-fluoro-2-pyridazin-4-yl-5-(trifluoromethyl)phenoxy]-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[2-(2-Aminopyridin-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-(5-fluoropyrimidin-2-yl)benzenesulfonamide; 4-[2-(2-Aminopyridin-4-yl)-4-(trifluoromethyl)phenoxy]-5-chloro-2-fluoro-N-(5-fluoropyrimidin-2-yl)benzenesulfonamide; 4-[2-(2-Aminopyridin-4-yl)-4-fluorophenoxy]-5-chloro-2-fluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[2-(3-Amino-1H-pyrazol-4-yl)-4-(trifluoromethoxy)phenoxy]-5-chloro-2-fluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[2-(2-Aminopyridin-4-yl)-4-chlorophenoxy]-3-chloro-N-1,3,4-thiadiazol-2-ylbenzenesulfonamide; 4-[2-(2-Aminopyridin-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[2-(5-Amino-1H-pyrazol-4-yl)-4-fluorophenoxy]-5-chloro-2-fluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 5-Chloro-2-fluoro-4-[2-pyridazin-4-yl-4-(trifluoromethoxy)phenoxy]-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[2-(1-Azetidin-3-yl-1 H -pyrazol-5-yl)-5-chloro-2-fluoro-4-(trifluoromethyl)phenoxy]-N-1,3,4-thiadiazol-5-ylbenzenesulfonamide; 5-Chloro-2-fluoro-4-{4-trifluoromethyl-2-[1-(1-methylazetidin-3-yl)-1 H- pyrazol-5-yl]phenoxy}- N-1,3,4-thiadiazol-ylbenzenesulfonamide; 3-Cyano-4-[2-(3-methylpyridazin-4-yl)-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide; 3-Methyl-4-[2-pyridazin-4-yl-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide; 4-[4-chloro-2-(2-piperazin-1-ylpyrimidin-4-yl)phenoxy]-2,5-difluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[4-chloro-2-(2-piperazin-1-ylpyridin-4-yl)phenoxy]-2,5-difluoro-N-pyrimidin-2-ylbenzenesulfonamide; 4-[4-chloro-2-(2-piperazin-1-ylpyridin-4-yl)phenoxy]-3-cyano-N-pyrimidin-2-ylbenzenesulfonamide; 4-[4-chloro-2-(2-piperazin-1-ylpyrimidin-4-yl)phenoxy]-3-cyano-N-pyrimidin-2-ylbenzenesulfonamide; 4-[4-chloro-2-(2-piperazin-1-ylpyrimidin-4-yl)phenoxy]-2,5-difluoro-N-pyrimidin-2-ylbenzenesulfonamide; or a pharmaceutically acceptable salt thereof. 5-Chloro-4-[4-chloro-2-(2-piperazin-1-ylpyrimidin-4-yl)phenoxy]-2-fluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 5-Chloro-4-[4-chloro-2-(2-piperazin-1-ylpyrimidin-4-yl)phenoxy]-2-fluoro-N-1,3,4-thiadiazol-2-ylbenzenesulfonamide; 5-Chloro-2-fluoro-4-[5-fluoro-2-pyridazin-4-yl-4-(trifluoromethyl)phenoxy]-N-1,3-thiazol-4-ylbenzenesulfonamide; 5-Chloro-2-fluoro-4-[4-fluoro-2-pyridazin-4-yl-5-(trifluoromethyl)phenoxy]-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[2-(2-Aminopyridin-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-(5-fluoropyrimidin-2-yl)benzenesulfonamide; 4-[2-(2-Aminopyridin-4-yl)-4-(trifluoromethyl)phenoxy]-5-chloro-2-fluoro-N-(5-fluoropyrimidin-2-yl)benzenesulfonamide; 4-[2-(2-Aminopyridin-4-yl)-4-fluorophenoxy]-5-chloro-2-fluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[2-(3-Amino-1H-pyrazol-4-yl)-4-(trifluoromethoxy)phenoxy]-5-chloro-2-fluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[2-(2-Aminopyridin-4-yl)-4-chlorophenoxy]-3-chloro-N-1,3,4-thiadiazol-2-ylbenzenesulfonamide; 4-[2-(2-Aminopyridin-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[2-(5-Amino-1H-pyrazol-4-yl)-4-fluorophenoxy]-5-chloro-2-fluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 5-Chloro-2-fluoro-4-[2-pyridazin-4-yl-4-(trifluoromethoxy)phenoxy]-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[2-(1-Azetidin-3-yl-1 H -pyrazol-5-yl)-5-chloro-2-fluoro-4-(trifluoromethyl)phenoxy]-N-1,3,4-thiadiazol-5-ylbenzenesulfonamide; 5-Chloro-2-fluoro-4-{4-trifluoromethyl-2-[1-(1-methylazetidin-3-yl)-1 H- pyrazol-5-yl]phenoxy}- N-1,3,4-thiadiazol-ylbenzenesulfonamide; 3-Cyano-4-[2-(3-methylpyridazin-4-yl)-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide; 3-Methyl-4-[2-pyridazin-4-yl-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide; 4-[4-chloro-2-(2-piperazin-1-ylpyrimidin-4-yl)phenoxy]-2,5-difluoro-N-1,3-thiazol-4-ylbenzenesulfonamide; 4-[4-chloro-2-(2-piperazin-1-ylpyridin-4-yl)phenoxy]-2,5-difluoro-N-pyrimidin-2-ylbenzenesulfonamide; 4-[4-chloro-2-(2-piperazin-1-ylpyridin-4-yl)phenoxy]-3-cyano-N-pyrimidin-2-ylbenzenesulfonamide; 4-[4-chloro-2-(2-piperazin-1-ylpyrimidin-4-yl)phenoxy]-3-cyano-N-pyrimidin-2-ylbenzenesulfonamide; 4-[4-chloro-2-(2-piperazin-1-ylpyrimidin-4-yl)phenoxy]-2,5-difluoro-N-pyrimidin-2-ylbenzenesulfonamide;