METABOLITES OF 2-(FURAN-2-YL)-7-(2-(4-(4-(2-METHOXYETHOXY)PHENYL)PIPERAZIN-1-YL)ETHYL)-7H-PYRAZOLO[4,3-e][1,2,4]TRIAZOLO[1,5-c]PYRIMIDIN-5-AMINE AND THEIR UTILITY AS ADENOSINE A2a RECEPTOR ANTAGONISTS

摘要

The present invention provides a compound of the (formula:(I) or a pharmaceutically acceptable salt thereof in isolated and purified form. The compound is an adenosine A2a receptor antagonists useful in treatment of central nervous system disorders, such as Parkinsons disease, Extra-Pyramidal Syndrome (EPS) caused by treatment with an antipsychotic agent, restless legs syndrome, Huntington s disease, attention disorders, depression, stroke and psychoses.