Terizidone is an organooxygen compound and an organonitrogen compound. It derives from an alpha-amino acid. ChEBI. it has been used in trials studying the treatment of Tuberculosis, HIV Infections, Multidrug Resistant Tuberculosis, and Extensively-drug Resistant Tuberculosis. Reference standards of Terizidone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.