| 摘要 |
Use of compounds of formula (I), wherein n is 1 or 2, R is a hydrogen or halogen atom or a cyano, hydroxy, (C1-C4)alkyl, (C1-C4)alkoxy, carboxy, (C1-C4)alkoxycarbonyl, aminocarbonyl, mono(C1-C4)alkylaminocarbonyl, di(C1-C4)alkylaminocarbonyl, mono(C1-C4)alkylamino, di(C1-C4)alkylamino, (C1-C5)alkanoylamino or (C1-C5)alkanoyl group; when R is a hydrogen atom the dotted line can denote a double bond. The invention also concerns the pharmaceutically acceptable salts and quaternary ammonium salts of said compounds which are useful for the preparation of drugs having a 5-HT4-agonist activity. |
