<unk>  (INN), is a nucleoside analogue antiviral drug, marketed under trade names such as Usevir (Nippon Shoji, Eisai) and Brovavir (BMS). It is used for the treatment of varicella zoster virus infections.
Sorivudine
Lamivudine
Telbivudine
Saquinavir
Fosamprenavir
Abacavir
Fostemsavir
Coronavir