The application relates to compounds of Formula (I) and (III), their pharmaceutically acceptable salts, and their pharmaceutical compositions. The compounds are potent inhibitors of the main protease (Mpro) of severe acute respiratory syndrome Coronavirus-2 (SARS-CoV-2), and they are useful in treating or preventing COVID-19 in a subject.
                            该申请涉及(I)和(III)式化合物及其药学上可接受的盐和制药组合物。这些化合物是严重急性呼吸综合症冠状病毒2号(
SARS-CoV-2)的主要
蛋白酶(Mpro)的有效
抑制剂,并可用于治疗或预防受COVID-19感染的个体。