TERT-BUTYL 4-(4-((6-ACETYL-8-CYCLOPENTYL-5-METHYL-7-OXOPYRIDO(2,3-D)PYRIMIDIN-2-YL)AMINO)PHENYL)PIPERAZINE-1-CARBOXYLATE
tert-butyl 4-(4-((6-acetyl-8-cyclopentyl-5-methyl-7-oxopyrido(2,3-d)pyrimidin-2-yl)amino)phenyl)piperazine-1-carboxylate