TFCX5B: Tofacitinib Impurity 15

3-((3R,4R)-3-((2-Chloro-7H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile ;

CAS # 1616761-00-2 ; 

C16H19ClN6O ;
Mol. Wt.: 346.81 ;