1-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)-3-(2-(methylthio)-4-(3-oxo-3,4-dihydropyrido(2,3-b)pyrazin-8-yloxy)phenyl)urea
1-(3-tert-butyl-1-phenyl-1h-pyrazol-5-yl)-3-(2-(methylthio)-4-(3-oxo-3,4-dihydropyrido(2,3-b)pyrazin-8-yloxy)phenyl)urea