| abstract |
FIELD: chemistry. n SUBSTANCE: invention relates to a novel compound - 7-[2-[4-(6-fluoro-3-methyl-1,2-benzioxazol-5-yl)-1-piperazinyl]ethyl]-2-(propynyl)-7H-pyrazolo-[4, 3-e]-[1, 2, 4]-triazolo-[1, 5-c]pyrimidine-5-amine or pharmaceutically acceptable salt thereof, having A 2a receptor selective antagonist properties, a pharmaceutical composition based on said compound and use thereof in preparing a medicinal agent for treating central nervous system diseases. n EFFECT: enhanced efficiency of composition and treatment method. n 8 cl, 1 ex |