英文别名Palbociclib Impurity 46; Palbociclib-007; 5,5'-(1,4-Piperazinediyl)di(2(1H)-pyridinimine); 5-[4-(6-amino-3-pyridinyl)piperazin-1-yl]pyridin-2-amine; 5,5'-(1,4-Piperazinediyl)bis(2-aminopyridine); Palbociclib Impurity 61; 5,5'-(1,4-Piperazinediyl)bis[2-pyridinamine]; 2-Pyridinamine, 5,5'-(1,4-piperazinediyl)bis-; 5-[4-(6-aminopyridin-3-yl)piperazin-1-yl]pyridin-2-amine; 5-[4-(6-amino-3-pyridyl)piperazin-1-yl]pyridin-2-amine 
