The invention relates to a compound of the formula (I)
wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
and R
8
are defined as in the specification and claims and to its use for treating or preventing Alzheimer's disease and other similar diseases.
该发明涉及一种化合物,其
化学式为(I),其中R1、R2、R3、R4、R5、R6、R7和R8如规范和声明中所定义,并且用于治疗或预防阿尔茨海默病和其他类似疾病。