Peficitinib Hydrobromide and its Impurities

Peficitinib Hydrobromide, sold under the brand name Smyraf. Peficitinib is a pharmaceutical drug used for the treatment of rheumatoid arthritis. Reference standards of Peficitinib Hydrobromide API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.