Tofacitinib Impurity 256

3- ((3R,4R) -3- ((4-aminopyrimidin-2-yl) (methyl) amino) -4-methylpiperidin-1-yl) -3-oxopropanenitrile

C14H20N6O

288.36

Tofacitinib

3- ((3R,4R) -3- ((4-aminopyrimidin-2-yl) (methyl) amino) -4-methylpiperidin-1-yl) -3-oxopropanenitrile