Disclosed herein are compounds of formula (I) or pharmaceutically acceptable salts, solvates, or combinations thereof, wherein X1, X2, X3, X4, J, K, L, X5, X6, Rb, G2, and m are defined in the specification. Compositions comprising such compounds and methods for treating conditions and disorders using such compounds and compositions are also disclosed.本文揭示式(I)化合物或其醫藥上可接受之鹽、溶劑合物或組合，其中X1、X2、X3、X4、J、K、L、X5、X6、Rb、G2及m係如說明書定義。本發明亦揭示包含該等化合物之組合物及使用該等化合物及組合物治療病況及病症之方法。
