1-[5-O-[(S)-[[[(2,2-Dimethylpropoxy)carbonyl]oxy]methoxy][[(1S)-2-(2,2-dimethylpropoxy)-1-methyl-2-oxoethyl]amino]phosphinyl]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-[5-O-[(R)-[[[(2,2-Dimethylpropoxy)carbonyl]oxy]methoxy][[(1S)-2-(2,2-dimethylpropoxy)-1-methyl-2-oxoethyl]amino]phosphinyl]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

2,4-Dioxa-6-aza-5-phosphaoctanedioic acid, 5-[[(2S,5R)-5-(1,6-dihydro-6-oxo-9H-purin-9-yl)tetrahydro-2-furanyl]methoxy]-7-methyl-, 1,8-bis(2,2-dimethylpropyl) ester, 5-oxide, (5S,7S)-

2,4-Dioxa-6-aza-5-phosphaoctanedioic acid, 5-[[(2S,5R)-5-(1,6-dihydro-6-oxo-9H-purin-9-yl)tetrahydro-2-furanyl]methoxy]-7-methyl-, 1,8-bis(2,2-dimethylpropyl) ester, 5-oxide, (5R,7S)-

9-[5-O-[(1S)-1-[[(1S)-2-(2,2-Dimethylpropoxy)-1-methyl-2-oxoethyl]amino]-8,8-dimethyl-1-oxido-5-oxo-2,4,6-trioxa-1-phosphonon-1-yl]-β-D-arabinofuranosyl]-9H-purin-6-amine

9-[5-O-[(1R)-1-[[(1S)-2-(2,2-Dimethylpropoxy)-1-methyl-2-oxoethyl]amino]-8,8-dimethyl-1-oxido-5-oxo-2,4,6-trioxa-1-phosphonon-1-yl]-β-D-arabinofuranosyl]-9H-purin-6-amine

2,4-Dioxa-6-aza-5-phosphaoctanedioic acid, 5-[[(2S,5R)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]methoxy]-7-methyl-, 1,8-bis(2,2-dimethylpropyl) ester, 5-oxide, (5S,7S)-

2,4-Dioxa-6-aza-5-phosphaoctanedioic acid, 5-[[(2S,5R)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]methoxy]-7-methyl-, 1,8-bis(2,2-dimethylpropyl) ester, 5-oxide, (5R,7S)-