| 摘要 |
The compounds of the following structural formula posses useful anxiolytic, antidepressant, antipsychotic and learning and memory enhancement properties: <IMAGE> in which R1 is 3-noradamantyl; n is 0 or 1; X is -CO2-, -O2C- or -OCO2-; m is 1, 2, 3, 4, or 5; and R2 is phenyl, benzyl, pyridinyl, pyrimidinyl, pyrazinyl or substituted phenyl or benzyl in which the substituent is alkyl, alkoxy, halo, cyano, nitro or trifluoromethyl; or a pharmaceutically acceptable salt thereof.
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