TFC99B: Tofacitinib Impurity 9

1-[4-[[(3R,4R)-1-Acetyl-4-methyl-3-piperidinyl]methylamino]-7H-pyrrolo[2,3-d]pyrimidin-7-yl]ethanone ;

CAS # 1608117-47-0 ;

C17H23N5O2 ;
Mol. Wt.: 329.4 ;