| abstract |
This invention relates to novel 5 -amino-pyrazolo- [4,3-e] - 1, 2, 4 - triazolo [1, 5 - c] pyrimidines and pharmaceutically acceptable salts thereof. This invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating Parkinson's diseases, other Parkinsonian disorders, anxiety, and other conditions that are beneficially treated by administering an adenosine A2A antagonist. |