PRODRUGS OF LOBUCAVIR AND METHODS OF USE

摘要

Compounds of formula (I) wherein R1 and R2 are both (II) or wherein one of R1 and R2 is hydrogen and the other is (III); and a pharmaceutically acceptable salt thereof are useful antiviral agents. These compounds are prodrugs of lobucavir and produce antivirally effective amounts of lobucavir following administration.