1640972-35-5

Tofacitinib-21 5,6-Dihydro CP-690550 Tofacitinib Impurity 39 Tofacitinib Related Compound 21 N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-2-amine (3R,4R)-3-[(6,7-Dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)methylamino]-4-methyl-β-oxo-1-piperidinepropanenitrile 1-Piperidinepropanenitrile, 3-[(6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)methylamino]-4-methyl-β-oxo-, (3R,4R)- 3-((3R,4R)-3-((6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile Tofacitinib impurity 14/5,6-Dihydro Tofacitinib/3-((3R,4R)-3-((6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile Tofacitinib impurity 15/5,6-Dihydro Tofacitinib Citrate/3-((3R,4R)-3-((6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile 2-hydroxypropane-1,2,3-tricarboxylate