(S)-N-((S)-1-(2-chlorophenyl)-2-((3,3-difluorocyclobutyl)amino)-2-oxoethyl)-1-(4-cyanopyrimidin-2-yl)-N-(3,5-difluorophenyl)-6-oxopiperazine-2-carboxamide
2-bromopyrimidine-4-carbonitrile
(3S)-tert-butyl 3-((1-(2-chlorophenyl)-2-((3,3-difluorocyclobutyl)amino)-2-oxoethyl)(3,5-difluorophenyl)carbamoyl)-4-(4-cyanopyrimidin-2-yl)-5-oxopiperazine-1-carboxylate
2-chloro-4-pyrimidinecarboxamide
2-chloro-pyrimidine-4-carbonitrile