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

3,6-dichloropyrido[2,3-b]pyrazine

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

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