英文别名Palbociclib Impurity 10; Palbociclib-012; Palbociclib impurity 15; Palbociclib Impurity 14; Palbociclib Impurity 38; di-tert-butyl 4,4'-(((8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-2,6-diyl)bis(azanediyl))bis(pyridine-6,3-diyl))bis(piperazine-1-carboxylate); 1,1'-Bis(1,1-dimethylethyl) 4,4'-[(8-cyclopentyl-7,8-dihydro-5-methyl-7-oxopyrido[2,3-d]pyrimidine-2,6-diyl)bis(imino-2,5-pyridinediyl)]bis[1-piperazinecarboxylate] 
