The present invention relates to compounds of formula I
wherein R
1
and R
2
are described hereinbelow. These compounds have high affinity to A
2A
receptors and good selectivity to A
1
and A
3
receptors. These compounds are useful, inter alia, in the treatment of Alzheimer's disease, depression, Parkinson's disease and ADHD.
本发明涉及式I的化合物,其中R1和R2如下所述。这些化合物对A2A受体具有高亲和力,并对A1和A3受体具有良好的选择性。这些化合物在治疗阿尔茨海默病、抑郁症、帕
金森病和注意力缺陷多动障碍等方面具有用途。