PROBLEM TO BE SOLVED: To provide a compound, a composition, and a method for treating or preventing a symptom or disease associated with gout or hyperuricemia. A compound of formula I, or a pharmaceutically acceptable salt thereof. A composition for the treatment of a disease associated with hyperuricemia or gout, comprising said compound and a pharmaceutically acceptable carrier. [X is OH, etc .； R1 to R5 are independent, H, deuterium, halogen, etc.] [Selection diagram] None【課題】痛風または高尿酸血症に関連した症状または疾病を処置または予防するための化合物、組成物、および方法の提供。【解決手段】式Ｉの化合物、あるいはその薬学的に許容可能な塩。前記化合物と薬学的に許容可能な担体を含む、高尿酸血症または痛風に関連する疾病の処置のための組成物。［ＸはＯＨ等；Ｒ１～Ｒ５は各々独立に、Ｈ、重水素、ハロゲン等］【選択図】なし
