This invention relates to novel compounds having the structural formula (I) below: [Chemical formula should be inserted here. Please see paper copy] and to their pharmaceutically acceptable salt, compositions and methods of use. These novel compounds provide a treatment or prophylaxis of cognitive impairment, Alzheimer Disease, neurodegeneration and dementia.
本发明涉及具有以下结构式(I)的新化合物:[
化学式应插入此处。请参见纸质副本]以及它们的药学上可接受的盐、组合物和使用方法。这些新化合物提供了治疗或预防认知障碍、阿尔茨海默病、神经退行性疾病和痴呆症的方法。