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

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

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