英文名称
N-Des(-3'-oxopropanenitrile)-N-(methyl)benzene Tofacitinib N-Hydrosulfinylmethylbenzene
Standards; Pharmaceutical/API Drug Impurities/Metabolites;
An impurity of Tofacitinib(C781351); as Janus kinase inhibitor for treatment of rheumatoid arthritis.