Monoamine Oxidase B inhibitor 1 is a potent, reversible, orally active and selective monoamine oxidase B (MAO-B) inhibitor (IC50 = 0.02 nM) that can across the blood-brain barrier (BBB). Monoamine Oxidase B inhibitor 1 shows antioxidant and anti-neuroinflammatory activities that can be used in the study of Parkinson’s disease[1].