label: 1-(5-tert-butyl-2-(4-methylphenyl)pyrazol-3-yl)-3-(2-methylsulfanyl-4-((3-oxo-4H-pyrido(2,3-b)pyrazin-8-yl)oxy)phenyl)urea
label_lc: 1-(5-tert-butyl-2-(4-methylphenyl)pyrazol-3-yl)-3-(2-methylsulfanyl-4-((3-oxo-4h-pyrido(2,3-b)pyrazin-8-yl)oxy)phenyl)urea