Tofacitinib Impurity 147

2101951-20-4

3- ((3R,4R) -4-methyl-3- (methyl (5-oxo-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl) amino) piperidin-1-yl) -3-oxopropanenitrile

C16H20N6O2

328.37

Tofacitinib

3- ((3R,4R) -4-methyl-3- (methyl (5-oxo-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl) amino) piperidin-1-yl) -3-oxopropanenitrile