Compounds of formula I, wherein R
1
, X
1
, X
2
and A, are as defined herein or pharmaceutically acceptable salts thereof, inhibit HIV-1 reverse transcriptase and afford a method for prevention and treatment of HIV-1 infections and the treatment of AIDS and/or ARC. The present invention also relates to compositions containing compounds of formula I useful for the prevention and treatment of HIV-1 infections and the treatment of AIDS and/or ARC.
公式I的化合物,其中R1、X1、X2和A的定义如本文所述或其药学上可接受的盐,抑制HIV-1
反转录酶并提供一种预防和治疗HIV-1感染以及治疗AIDS和/或ARC的方法。本发明还涉及含有公式I化合物的组合物,用于预防和治疗HIV-1感染以及治疗AIDS和/或ARC。