英文同义词: | Tofacitinib Impurity 45;CP-690550 N-Hydroxyl;(3R,4R)-3-[(7-Hydroxy-7H-pyrrolo[2,3-d]pyrimidin-4-yl)methylamino]-4-methyl-β-oxo-1-piperidinepropanenitrile;1-Piperidinepropanenitrile, 3-[(7-hydroxy-7H-pyrrolo[2,3-d]pyrimidin-4-yl)methylamino]-4-methyl-β-oxo-, (3R,4R)-;Tofacitinib Impurity 172 |