2-Amino-9-[(5S,7R,8R,12aR,14R,15aS)-decahydro-2-mercapto-2,10,10-trioxido-14-(3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl)-5,8-methano-11H-cyclopenta[m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,12aR,14R,15aS)-14-(6-amino-9H-purin-9-yl)decahydro-2-mercapto-2,10,10-trioxido-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,10R,12aR,14R,15aS)-14-(6-amino-9H-purin-9-yl)octahydro-10-mercapto-2,2,10-trioxido-5,8-methano-3H,12H-furo[2,3-m]-1,6,9,11,2,3,10-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,10S,12aR,14R,15aS)-14-(6-amino-9H-purin-9-yl)octahydro-10-mercapto-2,2,10-trioxido-5,8-methano-3H,12H-furo[2,3-m]-1,6,9,11,2,3,10-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,12aR,14R,15aS)-decahydro-2-mercapto-2,10,10-trioxido-14-(4-pyrimidinyloxy)-5,8-methano-11H-cyclopenta[m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

1-[5-O-[(S)-[[[(1-Methylethoxy)carbonyl]oxy]methoxy][2-(octadecyloxy)ethoxy]phosphinyl]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-[5-O-[(R)-[[[(1-Methylethoxy)carbonyl]oxy]methoxy][2-(octadecyloxy)ethoxy]phosphinyl]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

2,4,6,9-Tetraoxa-5-phosphaheptacosanoic acid, 5-[[(2S,5R)-5-(1,6-dihydro-6-oxo-9H-purin-9-yl)tetrahydro-2-furanyl]methoxy]-, 1-methylethyl ester, 5-oxide, (5S)-

2,4,6,9-Tetraoxa-5-phosphaheptacosanoic acid, 5-[[(2S,5R)-5-(1,6-dihydro-6-oxo-9H-purin-9-yl)tetrahydro-2-furanyl]methoxy]-, 1-methylethyl ester, 5-oxide, (5R)-

2-Chloro-9-[2-deoxy-2-fluoro-5-O-[(S)-[[[(1-methylethoxy)carbonyl]oxy]methoxy][2-(octadecyloxy)ethoxy]phosphinyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

2-Chloro-9-[2-deoxy-2-fluoro-5-O-[(R)-[[[(1-methylethoxy)carbonyl]oxy]methoxy][2-(octadecyloxy)ethoxy]phosphinyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

9-[5-O-[(S)-[[[(1-Methylethoxy)carbonyl]oxy]methoxy][2-(octadecyloxy)ethoxy]phosphinyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

9-[5-O-[(R)-[[[(1-Methylethoxy)carbonyl]oxy]methoxy][2-(octadecyloxy)ethoxy]phosphinyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

2,4,6,9-Tetraoxa-5-phosphaheptacosanoic acid, 5-[[(2S,5R)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]methoxy]-, 1-methylethyl ester, 5-oxide, (5S)-

2,4,6,9-Tetraoxa-5-phosphaheptacosanoic acid, 5-[[(2S,5R)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]methoxy]-, 1-methylethyl ester, 5-oxide, (5R)-