PROBLEM TO BE SOLVED: To provide a technique to inhibit the degradation of timolol in an aqueous composition comprising a halogenated isoquinoline derivative and timolol.SOLUTION: The present invention provides an aqueous composition comprising following components (A) and (B): (A) a compound represented by the general formula (1) [where X represents a halogen atom] or a salt thereof or a solvate thereof and (B) timolol or a salt thereof or a solvate thereof, and having a pH value of 6.5 or less.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】ハロゲン化イソキノリン誘導体及びチモロールを含有する水性組成物中の、チモロールの分解を抑制する技術の提供。【解決手段】次の成分(A)及び(B):(A)一般式(1)[式中、Xはハロゲン原子を示す。]で表される化合物若しくはその塩又はそれらの溶媒和物;(B)チモロール若しくはその塩又はそれらの溶媒和物;を含有し、pH値が6.5以下である、水性組成物。【選択図】なし
