Palbociclib Impurity 107

1974279-21-4

4- (4- (6- ((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl) amino) pyridin-3-yl) piperazin-1-yl) -4-oxobutanoic acid

C28H33N7O5

547.62

Palbociclib

4- (4- (6- ((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl) amino) pyridin-3-yl) piperazin-1-yl) -4-oxobutanoic acid