Compounds, and pharmaceutically acceptable salts thereof, useful as inhibitors of sodium channels are provided. Also provided are pharmaceutical compositions comprising the compounds or pharmaceutically acceptable salts and methods of using the compounds, pharmaceutically acceptable salts, and pharmaceutical compositions in the treatment of various disorders, including pain.本發明提供化合物及其醫藥學上可接受之鹽,其適用作鈉通道之抑制劑。本發明亦提供包含該等化合物或醫藥學上可接受之鹽之醫藥組合物,及在包括疼痛之各種病症治療之治療中使用該等化合物、該等醫藥學上可接受之鹽及該等醫藥組合物的方法。