BRC48: Baricitinib N-Nitroso Impurity

2-(1-(Ethylsulfonyl)-3-(4-(7-nitroso-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)azetidin-3-yl)acetonitrile ;

C16H16N8O3S ;
Mol. Wt.: 400.42 ;