This invention provides compounds of the formula I:
and their pharmaceutically acceptable salts, useful as sodium channel blockers, compositions containing the same, therapeutic methods and uses for the same and processes for preparing the same.
这项发明提供了式I的化合物及其药用盐,可用作
钠通道阻滞剂,包含这些化合物的组合物,以及用于这些化合物的治疗方法和用途,以及制备这些化合物的方法。