Patent ID: 7094772

Claim:
A compound selected from the group consisting of a phosphonate of an antiviral compound of the formula: wherein R 1 is hydrogen, —CH 3 , —CH 2 OH, —CH 2 F, —CH═CH 2 , or —CH 2 N 3 ; R 8 is hydrogen; and B is guanin-9-yl, adenin-9-yl, 2,6-diaminopurin-9-yl, 2-aminopurin-9-yl or their 1-deaza, 3-deaza, or 8-aza compounds, or B is cytosin-1-yl; covalently linked to an alkylglycerol, alkyipropanediol, 1-S-alkylthioglycerol, alkoxyalkanol or alkylethanediol.