A medicament for prophylactic and/or therapeutic treatment of dementia, which comprises a compound represented by the formula (I) having a xanthine oxidase inhibitory action as an active ingredient.
一种用于预防和/或治疗痴呆症的药物,其活性成分包括一种具有
黄嘌呤氧化酶抑制作用的式 (I) 所代表的化合物。