英文别名Palbociclib Impurity 21; Palbociclib Impurity Z; Palbociclib Impurity 159; 8-Cyclopentyl-7,8-dihydro-5-methyl-7-oxo-2-[[5-(1-piperazinyl)-2-pyridinyl]amino]pyrido[2,3-d]pyrimidine-6-acetaldehyde; Palbociclib Impurity 9; Palbociclib Impurity 108; Palbociclib Aldehyde; Palbociclib CHO