N-Boc protected Palbociclib Dimer

Chemical Name: Tert-butyl 4-(6-((6-bromo-4-((6-bromo-2-((5-(4-(tert-butoxycarbonyl)piperazin-1-yl)pyridin-2-yl)amino)-8-cyclopentyl-4-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-5-yl)methyl)-8-cyclopentyl-7-oxo-1,4,7,8-tetrahydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate