The invention provides compounds having the general formula: [insert formula (I)] (I) and pharmaceutically acceptable salts thereof, wherein the variables RA, subscript n, ring A, X2, L, subscript m, X1, R1, R2, R3, R4, and RN have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.
该发明提供了具有一般式:[插入式(I)] (I)及其药学上可接受的盐的化合物,其中变量
RA,下标n,环A,X2,L,下标m,X1,R1,R2,R3,R4和RN的含义如本文所述,并包含这种化合物的组合物和使用这种化合物和组合物的方法。