ethyl 3-fluoro-5-((3-(1-methyl-1H-pyrazol-4-yl)pyrido[2,3-b]pyrazin-6-yl)amino)benzoate

ethyl 3-(((1-(N,N-dimethylsulfamoyl)-1H-imidazol-2-yl)methyl)(3-(1-methyl-1H-pyrazol-4-yl)pyrido[2,3-b]pyrazin-6-yl)amino)-5-fluorobenzoate

3-(1-methyl-1H-pyrazol-4-yl)pyrido[2,3-b]pyrazin-6(5H)-one

6-chloro-3-(1-methyl-1H-pyrazol-4-yl)pyrido[2,3-b]pyrazine

3-bromo-6-chloropyrido[2,3-b]pyrazine