| 摘要 |
<p>The present invention provides a novel and useful agent for the prophylaxis or treatment of neurodegenerative diseases. Particularly, the present invention provides an agent for the prophylaxis or treatment of a neurodegenerative disease, which contains a compound represented by the following formula (I) as an active ingredient:
wherein R 1 , R 2 , R 3 are each independently an optionally substituted amino group, and R 4 is halogen.</p> |
