N-(3,5-dimethoxyphenyl)-3-(1-methyl-1H-pyrazol-4-yl)-5-((tetrahydro-2H-pyran-2-yl)methyl)pyrido[2,3-b]pyrazin-6(5H)-imine

N-(3,5-dimethoxyphenyl)-3-(1-methyl-1H-pyrazol-4-yl)-N-((tetrahydro-2H-pyran-2-yl)methyl)pyrido[2,3-b]pyrazin-6-amine

N-(3-((tert-butyldimethylsilyl)oxy)propyl)-N-(3,5-dimethoxyphenyl)-3-(1-methyl-1H-pyrazol-4-yl)pyrido[2,3-b]pyrazin-6-amine

5-(3-((tert-butyldimethylsilyl)oxy)propyl)-N-(3,5-dimethoxyphenyl)-3-(1-methyl-1H-pyrazol-4-yl)pyrido[2,3-b]pyrazin-6(5H)-imine