[1,1-dimethyl-2-oxo-2-(4-{3-[2-(tetrahydropyran-4-ylamino)pyridin-4-yl]-[2,6]naphthyridin-1-yl}piperazin-1-yl)ethyl]carbamic acid tert-butyl ester

{4-[1-(4-isobutylpiperazin-1-yl)[2,6]naphthyridin-3-yl]pyridin-2-yl}(tetrahydropyran-4-yl)amine

4-[3-(2-chloropyridin-4-yl)-4-phenyl-[2,6]naphthyridin-1-yl]piperazine-1-carboxylic acid tert-butyl ester

4-[4-bromo-3-(2-chloropyridin-4-yl)-[2,6]naphthyridin-1-yl]piperazine-1-carboxylic acid tert-butyl ester

[4-(1-piperazin-1-yl[2,6]naphthyridin-3-yl)pyridin-2-yl](tetrahydropyran-4-yl)amine