Palbociclib Dimer Impurity

Chemical Name: 6-Bromo-5-((6-bromo-8-cyclopentyl-7-oxo-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-1,4,7,8-tetrahydropyrido[2,3-d]pyrimidin-4-yl)methyl)-8-cyclopentyl-4-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one

Smile: O=C(C(Br)=C1)N(C2CCCC2)C3=C1C(CC(C(C(C)=NC(NC4=NC=C(N5CCNCC5)C=C4)=N6)=C6N7C8CCCC8)=C(Br)C7=O)N=C(N3)NC(C=C9)=NC=C9N%10CCNCC%10