| 摘要 |
2141863 9405655 PCTABS00030 A compound of formula (1), wherein R1 and R2 are, independently, hydrogen, alkyl, alkoxy, aralkoxy, alkanoyloxy, hydroxy, halo, amino, mono- or dialkylamino, alkanamido or sulfonamido, or R1 and R2 together are methylenedioxy, ethylenedioxy or propylenedioxy; R3 is hydrogen or alkyl; n is one of the integers 2, 3 or 4; or a pharmaceutically acceptable salt thereof, are antipsychotic agents.
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