| 摘要 |
<p>Disclosed are compounds of formula (I) and the pharmaceutically acceptable salts thereof wherein the variables R1, R2, R3, n, and Ar are defined herein. These compounds are highly selective agonists, antagonists or inverse agonists for GABAA brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABAA brain receptors and are therefore useful in the diagnosis and treatment of anxiety, depression, Down Syndrome, sleep and seizure disorders, overdose with benzodiazepine drugs and for enhancement of memory.</p> |
