The present invention provides a compound of the Formula I: Formula I or a pharmaceutically acceptable salt thereof in isolated and purified form wherein R, R1 and R2 are as described herein. The compounds are 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.
本发明提供了化合物I的化合物:化合物I或其在分离和纯化形式中的药用可接受盐,其中R,R1和R2如本文所述。这些化合物是对抗
腺苷A2a受体的拮抗剂,在治疗中枢神经系统疾病方面具有用途,如帕
金森病,由
抗精神病药物引起的锥体外症候群(EPS),不宁腿综合征,亨廷顿病,注意力障碍,抑郁症,中风和精神病。