Provided is an unprecedented composition that is not a conventional symptomatic treatment, but makes possible the fundamental treatment of current neurodegenerative diseases by inhibiting oxidative-stress induced nerve-cell death. The disclosed neurodegenerative disease therapeutic agent includes a compound, or a salt of said compound, that inhibits oxidative-stress induced nerve-cell death to a high degree and is an agent used in the treatment of neurodegenerative diseases such as Parkinsons disease.