申请人:Hoffmann-La Roche Inc.
                            
                            
                                公开号:US20150307472A1
                            
                            
                                公开(公告)日:2015-10-29
                            
                            The invention relates to a compound of formula (I)
wherein A
1
, A
2
and R
1
to R
6
are defined as in the description and in the claims. The compound of formula (I) can be used as a medicament.
                            本发明涉及一种式(I)的化合物,其中A1、A2和R1至R6如说明书和权利要求书中所定义。式(I)化合物可用作药物。