| 摘要 |
This invention relates to quercetin derivative, its preparation, and a pharmaceutical combination, as well as their medical uses for the prevention or treatment of diseases related to 5HT<SUB>1A </SUB>receptor or neuron cell damages, including Alzeheimer's disease, drug or alcohol dependence, sleep disorders or panic state; and for delaying senility, improving learning and memory, preventing and treatment of neuron cell damages caused by various kinds of cerebral damages.
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