1-cyclopentyl-3-(7-(pyrazin-2-yloxy)-1,5-naphthyridin-2-yl)urea

1-cyclopentyl-3-(7-(1-(1-methylpiperidin-4-yl)-1H-pyrazol-4-yl)-1,5-naphthyridin-2-yl)urea

1-cyclopentyl-3-(7-(oxazol-5-yl)-1,5-naphthyridin-2-yl)urea

1-(7-((1H-pyrazol-4-yl)amino)-1,5-naphthyridin-2-yl)-3-(4-phenylbutyl)urea

1-(1-methylcyclopentyl)-3-(7-morpholino-1,5-naphthyridin-2-yl)urea