(S)-1-(1-(3-chloro-4-fluorophenyl)-2-hydroxyethyl)-4-(2-((tetrahydro-2H-pyran-4-yl)amino)pyrimidin-4-yl)pyridin-2(1H)-one

(R)-2-(tert-butyldimethylsilyloxy)-1-(3-chloro-4-fluorophenyl)ethyl methanesulfonate