Tofacitinib Impurity 6

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

Smiles: C[C@H]1[C@@H](N(C)C2=C3C(NC=C3)=NC=N2)CN(C4=C5C(NC=C5)=NC=N4)CC1