Baricitinib Impurity 7 Catalogue B410227 CAS 2271228-51-2 M.W 389.43 M.F C16H19N7O3S Specifications FAQs 2-(3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-1-(ethylsulfonyl)azetidin-3-yl)acetamide