| 摘要 |
<p>Piperazine derivatives of formula (I) and their pharmaceutically acceptable salts are 5-HT1A binding agents and may be used, for example, as anxiolytics. In the formula, R and R3 are hydrogen or lower alkyl or R3 is spirocycloalkyl, R?1 and R2¿ are aryl or heteroaryl radicals and n is 1 or 2 and m is 1 to 3 and the total of n + m is 2 - 4.</p> |
