The present invention relates to use of a compound represented by formula (I):
in which at least one of R
3
and R
4
is a group represented by formula (A):
where the structural variables are as defined herein. The compounds are useful for blocking sodium channels and treating a variety of conditions.
本发明涉及使用式(I)所表示的化合物:
其中R3和R4中至少有一个是由式(A)所表示的基团:
其中结构变量如本文所定义。该化合物可用于阻断
钠通道并治疗多种疾病。