英文别名4-(6-bromopyridin-3-yl)piperazine-1-carboxylic acid tert-butyl ester; tert-butyl 4-(6-bromo-pyridin-3-yl)piperazine-1-carboxylate; 1,1-dimethylethyl 4-(6-bromo-pyridin-3-yl)-1-piperazinecarboxylate; Palbociclib Impurity 152; 1-Piperazinecarboxylic acid, 4-(6-bromo-3-pyridinyl)-, 1,1-dimethylethyl ester; tert-butyl 4-(6-bromo-3-pyridyl)piperazine-1-carboxylate; 1-Boc-4-(6-bromo-3-pyridyl)piperazine 
