Compositions and Methods of Using the Same for Treatment of Neurodegenerative and Mitochondrial Disease

The disclosure is directed to compounds and pharmaceutically acceptable salts thereof for the treatment and/or prevention of neurodegenerative and/or mitochondrial diseases, such as Parkinson's disease and Leigh's disease. The compounds and pharmaceutically acceptable salts thereof are of the class of nitrogenous bases, for example, pyrimidines, purines, pteridines, and pharmaceutically acceptable salts thereof.