This invention provides a pharmaceutical composition for treating spinocerebellar ataxia (or atrophy, degeneration) or multiple system atrophy, or for improving ataxia or equilibrium disturbance comprising a compound of the formula (I): wherein R is methyl, cyano or carbamoyl, a pharmaceutically acceptable salt, or a solvate thereof as an active ingredient.
本发明提供了一种用于治疗脊髓小脑性共济失调(或萎缩、变性)或多系统萎缩的药物组合物,或者用于改善共济失调或平衡障碍,该组合物包含公式(I)的化合物作为活性成分:其中R是甲基、
氰基或
氨基甲酰基,或者是它们的药用可接受盐,或者溶剂化物。