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

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

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

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

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