PROBLEM TO BE SOLVED: To provide a Parkinson disease preventive therapeutic agent that is not a dopamine action replacement therapeutic agent and has a nerve cell death recovery action.SOLUTION: A Parkinson disease preventive therapeutic agent comprises a compound represented by the following formula (1) or salt thereof as an active ingredient.COPYRIGHT: (C)2015,JPO&INPIT【課題】ドパミン作用補充療法薬ではなく、神経細胞死回復作用を有するパーキンソン病予防治療剤の提供。【解決手段】次式(1)で表される化合物又はその塩を有効成分とするパーキンソン病予防治療剤。【選択図】なし