Tofacitinib Impurity 44

Chemical Name: N-((3R,4R)-1-Benzyl-4-methylpiperidin-3-yl)-2-chloro-N-methyl-7-(methylsulfonyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

Smiles: O=S(N1C=CC2=C(N([C@H]3CN(CC4=CC=CC=C4)CC[C@H]3C)C)N=C(Cl)N=C21)(C)=O