Cytidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Adenosine, 5′-[[[(2S)-5-oxo-2-pyrrolidinyl]carbonyl]sulfamate]

Adenosine, 2′,3′-O-(1-methylethylidene)-, 5′-[[[(2S)-5-oxo-2-pyrrolidinyl]carbonyl]sulfamate]

Adenosine, N-benzoyl-2′,3′-O-(1-methylethylidene)-, 5′-[[[(2S)-5-oxo-2-pyrrolidinyl]carbonyl]sulfamate]

Adenosine, 5′-[N-[(2S)-2-amino-4-carboxy-1-oxobutyl]sulfamate]

Adenosine, 2′,3′-O-(1-methylethylidene)-, 5′-[[(2S)-5-(1,1-dimethylethoxy)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-1,5-dioxopentyl]sulfamate]

Adenosine, N-benzoyl-2′,3′-O-(1-methylethylidene)-, 5′-[[(2S)-5-(1,1-dimethylethoxy)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-1,5-dioxopentyl]sulfamate]

Adenosine, N-benzoyl-2′,3′-O-(1-methylethylidene)-, 5′-sulfamate

Adenosine, 2-methoxy-, 2′,3′,5′-tribenzoate

1-[(5R,6S,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3-ethyl-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6S,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6S,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-1-methyl-2,2-dioxido-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1,1-Dimethylethyl 3-[(5R,6S,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-1-methyl-2,2-dioxido-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinecarboxylate

1-[(5aS,7R,8R,8aR)-3a-Amino-8-[[(1,1-dimethylethyl)dimethylsilyl]oxy]hexahydro-1-methyl-2,2-dioxido-1H-furo[3′,2′:3,4]furo[3,2-c]isothiazol-7-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1,1-Dimethylethyl 3-[(5aS,7R,8R,8aR)-3a-amino-8-[[(1,1-dimethylethyl)dimethylsilyl]oxy]hexahydro-1-methyl-2,2-dioxido-1H-furo[3′,2′:3,4]furo[3,2-c]isothiazol-7-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinecarboxylate

1,1-Dimethylethyl 3-[(5R,6S,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-methyl-2,2-dioxido-6-[(phenylmethoxy)methyl]-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinecarboxylate

Uridine, 3′-C-cyano-3′-deoxy-3-[(1,1-dimethylethoxy)carbonyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-methyl-3′-[methyl(methylsulfonyl)amino]-5′-O-(phenylmethyl)-

1,1-Dimethylethyl 3-[(5R,6S,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinecarboxylate

1-[(5R,6S,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione