申请人:Nettekoven Matthias
公开号:US20080188484A1
公开(公告)日:2008-08-07
The present invention relates to compounds of formula I
wherein A and R
1
to R
4
are as defined in the description and claims, and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.
本发明涉及公式I的化合物,其中A和R1至R4如描述和声明中所定义,并且其药学上可接受的盐。这些化合物可用于治疗和/或预防与H3受体调节相关的疾病。