Development and receipt of a medicinal product Subetta tablets of prolonged action, coated with a gastro-resistant coating

A method for determining the content of foreign impurities and laboratory regulations; laboratory series and test samples for preclinical studies were developed, a validation plan was prepared and the stability of the drug during the storage of the laboratory series by an accelerated method was confirmed. Comprehensive physicochemical studies (LC-UV, HPLC / MS, NMR) of dosage forms based on ethylmethylhydroxypyridine succinate are also carried out.