Tofacitinib Impurity P

Chemical Name: 7H-​Pyrrolo[2,​3-​d]​pyrimidin-​4-​amine, N-​methyl-​N-​[(3S,​4S)​-​4-​methyl-​1-​(phenylmethyl)​-​3-​piperidinyl]​-; N-Methyl-N-[(3S,4S)-4-methyl-1-(phenylmethyl)-3-piperidinyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

Smile: C[C@@H]1[C@H](N(C)C2=NC=NC3=C2C=CN3)CN(CC4=CC=CC=C4)CC1