PROBLEM TO BE SOLVED: To provide compounds acting as selective antagonists of transient receptor potential cation channel subfamily M member 8 (TRPM8), and effective in treatment of diseases associated with activity of TRPM8 such as pain, inflammation, ischemia, neurodegeneration, stroke, psychiatric disorders, itch, irritable bowel diseases, cold induced and/or exacerbated respiratory disorders and urological disorders.SOLUTION: The invention provides compounds represented by formula I (e.g., 2-(4-chlorophenyl)-4-hydroxy-1,3-thiazole-5-carboxylic acid and the like).SELECTED DRAWING: None【課題】一過性受容器電位カチオンチャネルサブファミリーMメンバー8(TRPM8)の選択的拮抗薬として作用し、疼痛、炎症、虚血、神経変性、卒中、精神障害、掻痒、過敏性腸疾患、冷気誘発性及び/又は増悪した呼吸器障害、泌尿器障害等の、TRPM8の活性と関連する疾患の治療に有効な化合物の提供。【解決手段】式Iで表される化合物(例えば2-(4-クロロフェニル)-4-ヒドロキシ-1,3-チアゾール-5-カルボン酸等)。【選択図】なし