The present invention provides a novel treatment means for Alzheimers disease. This includes a compound represented by the following general formula (I)[In the formula, Ar1 represents 2-methoxy-4-(2-pyridylmethoxy) phenyl and the likes, Ar2 represents 1H-indol-6-yl and the likes.] or a salt thereof.本發明係提供新穎之阿滋海默症治療手段。其係下述通式(I)表示之化合物或其鹽。[式中,Ar1表示2-甲氧基-4-(2-吡啶基甲氧基)苯基等,Ar2表示1H-吲哚-6-基等。]由於本案的圖式為試樣之電子顯微鏡照片、化合物之血中濃度推移圖、小鼠腦內之A β 1-42量及不溶性Tau量之圖,不足以代表本案技術特徵,並非本案的代表圖。故本案無指定代表圖。
