Compounds of Formula I: and their pharmaceutically acceptable salts are useful for the inhibition of HIV reverse transcriptase. The compounds may also be useful for the prophylaxis or treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antiviral agents, immunomodulators, antibiotics or vaccines.
化学式为I的化合物及其药物可接受的盐对于抑制HIV
反转录酶是有用的。这些化合物也可能对于预防或治疗HIV感染以及预防、延迟或治疗艾滋病的发病和进展是有用的。这些化合物及其盐可以作为药物组成部分,可选配其他抗病毒药物、免疫调节剂、抗生素或疫苗。