Compounds of the general formula (I): are useful in treating chronic neurodegenerative diseases or conditions in mammals, such as Alzheimer's Disease, Parkinson's Disease, Huntington's Chorea and Multiple Sclerosis. In formula (I), a=3 or 4; b=3 or 4 provided that a+b=7; c is an integer from 1 to 5; d is 0 or 1.
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机译:通式(I)的化合物:可用于治疗哺乳动物的慢性神经退行性疾病或病症,例如阿尔茨海默氏病,帕金森氏病,亨廷顿舞蹈病和多发性硬化症。式(I)中,a = 3或4。 b = 3或4,前提是a + b <= 7; c为1至5的整数; d为0或1。
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