The invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof, wherein the variables Y1-Y6, X, Z, Z1, Z2, R2-R3, and R6 have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions. The compounds have sodium channel blocking activity that are useful for treating sodium channel-mediated diseases, in particular for treating pain
该发明提供了式(I)的化合物或其药学上可接受的盐,其中变量Y1-Y6、X、Z、Z1、Z2、R2-R3和R6的含义如本文所述,并含有这种化合物的组合物以及使用这种化合物和组合物的方法。这些化合物具有
钠通道阻滞活性,可用于治疗
钠通道介导的疾病,特别是用于治疗疼痛。