1-BENZYL-N,4-DIMETHYLPIPERIDIN-3-AMINE DIHYDROCHLORIDE 3-PiperidinaMine, 1-acetyl-N,4-diMethyl-N-1H-pyrrolo[2,3-d]pyriMidin-4-yl-, (3R,4R)- (9CI) (3R,4S)-1-benzyl-N,4-diMethylpiperidin-3-aMine 3-((3R,4R)-4-Methyl-3-(Methyl(7H-pyrrolo[2,3-d]pyriMidin-4-yl)aMino)piperidin-1-yl)-3-oxopropanaMide (3S,4S)-Tofacitinib 3-((3S,4R)-4-Methyl-3-(Methyl(7H-pyrrolo[2,3-d]pyriMidin-4-yl)aMino)piperidin-1-yl)-3-oxopropanenitrile 4-CHLORO-7-TOSYL-7H-PYRROLO[2,3-D]PYRIMIDINE N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine N-Methyl-N-((3S,4S)-4-Methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyriMidin-4-aMine Tofacitinib Impurity X 3-((3R,4S)-4-Methyl-3-(Methyl(7H-pyrrolo[2,3-d]pyriMidin-4-yl)aMino)piperidin-1-yl)-3-oxopropanenitrile Tofacitinib impurity V Tofacitinib Impurity 5 N-((3S,4S)-1-benzyl-4-Methylpiperidin-3-yl)-N-Methyl-7H-pyrrolo[2,3-d]pyriMidin-4-aMine 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine Tofacitinib Impurity J Tofacitinib Impurity W Tofacitinib Impurity K