Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
di-tert-Butyl 4,4'-(6,6'-((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) is an impurity of Palbociclib (P139900) an experimental drug for the treatment of breast cancer being developed by Pfizer. It is a selective inhibitor of the cyclin-dependent kinases CDK4 and CDK6.