| abstract |
(57) [Problem] To provide a novel phenothiazine derivative useful as a medicament and a pharmacologically acceptable salt thereof. SOLUTION: The formula: [In the formula, R 1 , R 2 , R 3 and R 4 are the same or different and each represents a hydrogen atom, a halogen atom or a lower alkyl group which may have a substituent, and R 5 and R 6 are halogens. A lower alkyl group which may be substituted, X represents an alkylene chain which may have a substituent or the like, and Y represents -SO 2 -or -CO- Wherein R 7 and R 8 are the same or different and each may be a lower alkyl group or a phenyl group which may have a substituent, and m represents 0 or an integer of 1 or 2. Or a hydrate or a pharmacologically acceptable salt thereof. |