US9725447B2 - 1-(5-Tert-Butyl-2-Aryl-Pyrazol-3-Yl)-3-[2-Fluoro-4-[(3-Oxo-4h-Pyrido[2,3-B]pyrazin-8-Yl)oxy]phenyl]urea Derivatives as RAF Inhibitors for the Treatment of Cancer