| 摘要 |
The invention provide compounds of the formula wherein X represents O or S; n is 2, 3, 4, 5, 6, 7, 8, 9 or 10; m is 2 or 3; Y represents N, C or CH; and the dotted line represents an optional bond; R1, R1', R2, R3, R4, R5, R6, R7, R8, R9, R10, R11 and R12 are as defined in the description. The compounds are ligands of the 5-HT1a-receptor. |
