TFC60B: Tofacitinib N-Descyanoacetyl Impurity

(3R,4R)-4-Methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-1-piperidine ;

CAS # 477600-74-1 (Base) ;  1260590-51-9 (HCl) ; 1655430-59-3 (2HCl) ;

C13H19N5 ;
Mol. Wt.: 245.32 ;