| abstract |
Disclosed are a pyrazolo[1,5-a][1,3,5]triazine-2-amine derivative as shown in general formula (I), a preparation method therefor, a pharmaceutical composition containing the derivative and the use of same as a therapeutic agent, in particular the use thereof as an A<sub>2a</sub> receptor antagonist and the use thereof in the preparation of drugs for treating conditions or diseases improved by the inhibition of A<sub>2a</sub> receptors. |