3,5-diamino-6-chloro-pyrazine-2-carboxylic acid derivatives and their use as epithelial sodium channel blockers for the treatment of airway diseases
申请人:Collingwood Stephen Paul
公开号:US08664228B2
公开(公告)日:2014-03-04
A compound of Formula I
in free or salt or solvate form, where R1, R2, R3, R4, R5, R6, R7, R8 and R9 have the meanings as indicated in the specification, is useful for treating diseases which respond to the blockade of the epithelial sodium channel. Pharmaceutical compositions that contain the compounds and processes for preparing the compounds are also described.
具有公式I的化合物,以自由或盐或溶剂形式存在,其中R1,R2,R3,R4,R5,R6,R7,R8和R9的含义如规范中所示,可用于治疗对上皮钠通道阻滞有反应的疾病。还描述了包含这些化合物的制药组合物和制备这些化合物的过程。