TFC71: Tofacitinib Impurity K

3-((3R,4R)-4-Methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanoic acid ;

CAS # 2328165-36-0 ;

C16H21N5O3 ;
Mol. Wt.: 331.37 ;