The invention relates to compounds of formula (I) wherein R, R0, R1, m, n and X1 to X4 have the meaning as cited in the description and the claims. Said compounds are useful as Histamine H3 receptor antagonists. The invention also relates to pharmaceutical compositions, the preparation of such compounds as well as the production and use as medicament.
本发明涉及具有式(I)的化合物,其中R,R0,R1,m,n和X1至X4如描述和权利要求中所引述的含义。所述化合物作为
组胺H3受体拮抗剂是有用的。本发明还涉及药物组合物,以及此类化合物的制备以及作为药品的生产和使用。