| 摘要 |
The present invention provides compounds of formula (I) wherein m is 0, 1 or 2; p is 0 or 1; Y is O, S, S(O) or S(O)2 and R1 to R7 are various substituen ts as selective modulators of the nicotinic acetylcholine receptor useful in th e treatment of pain, Alzheimer's disease, memory loss or dementia or loss of motor function.
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