| 摘要 |
The present invention relates to a compounds of formula (I): wherein A, B, D , E and F are defined herein; that are useful in treating central nervous syst em (CNS) diseases, disorders and conditions, such as but not limited to nicotin e addiction, schizophrenia, depression, Alzheimer's disease, Parkinson's disea se and ADHD. The present invention further comprises pharmaceutical composition s containing such compounds and methods of treatment comprising the use of suc h compounds.
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