Novel 5,6-dihydro-syn(s)-triazine nucleosides and nucleotides and a novel process for preparing the same. The novel nucleosides and nucleotides are disclosed as active in vitro and/or in vivo against susceptible DNA viruses.
A process for treating viral diseases in humans and animals which comprises administering a therapeutic amount of a compound of the formula ##STR1## the compounds are formulated with pharmaceutical carriers for systemic or local means of administration.