bretylium tosylate and its Impurities

Bretylium Tosylate was used in emergency medicine, cardiology, and other specialties throughout the 1980s-1990s for the acute management of ventricular tachycardia and ventricular fibrillation refractory to other first line treatments such as defibrillation or lidocaine. It is an antiarrhythmic agent.. Reference standards of Bretylium Tosylate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below