This invention provide to 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小脑性共济失调(或萎缩、退化)或多系统萎缩,或用于改善共济失调或平衡障碍的药物组合物,包括式(I)的化合物,其中R为甲基、
氰基或
氨基甲酰基,其药学上可接受的盐或其溶剂化物作为活性成分。