(R)-ethyl 3-(5-cyano-3-fluoro-6-(5-fluoro-1-tosyl-1H-pyrrolo[2,3-b]pyridin-3-yl)pyridin-2-ylamino)-3-(1-methylcyclopentyl)propanoate

(R)-3-(5-cyano-3-fluoro-6-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-3-yl)pyridin-2-ylamino)-3-(1-methylcyclopentyl)propanoic acid

(+/-)-ethyl 3-(2-chloro-5-fluoropyrimidin-4-ylamino)-3-(1-methylcyclopentyl)propanoate

(+/-)-ethyl 3-(5-fluoro-2-(5-fluoro-1-trityl-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-4-ylamino)-3-(1-methylcyclopentyl)propanoate

(+/-)-ethyl 3-(5-fluoro-2-(5-fluoro-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-4-ylamino)-3-(l-methylcyclopentyl)propanoate