The medical use of compounds of the formula (III):
or pharmaceutically acceptable and addition salts thereof, wherein R6 is a hydrogen atom, R5 is a chlorine atom and R7 is a hydrogen or chlorine atom or R7 is a chlorine atom, R5 is a hydrogen atom and R6 is a chlorine atom, particularly for the treatment of CNS disorders, is disclosed. Solid pharmaceutical compositions are also described.
                            公开了式 (III): 或其药学上可接受的加成盐的化合物的医疗用途,其中 R6 是氢原子,R5 是
氯原子,R7 是氢原子或
氯原子,或 R7 是
氯原子,R5 是氢原子,R6 是
氯原子,特别是用于治疗中枢神经系统疾病。 还描述了固体药物组合物。