(S)-2-(1-(6-amino-5-(thiazol-2-yl)pyrimidin-4-ylamino)ethyl)-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one
(S)-2-(1-(6-amino-5-(1-(2-hydroxyethyl)-1H-pyrazol-4-yl)pyrimidin-4-ylamino)ethyl)-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one
(S)-2-(1-(6-amino-5-(1H-pyrazol-4-yl)pyrimidin-4-ylamino)ethyl)-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one
(S)-2-(1-(6-amino-5-(6-aminopyridin-3-yl)pyrimidin-4-ylamino)ethyl)-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one
(S)-2-(1-(6-amino-5-iodopyrimidin-4-ylamino)ethyl)-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one