Uridine, 5′-amino-5′-deoxy-3′-de(phosphinicooxy)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]uridylylimino[[(9H-fluoren-9-ylmethoxy)carbonyl]carbonimidoyl]imino-(3′→5′)-5′-deoxy-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Uridine, 5′-deoxy-3′-de(phosphinicooxy)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)diphenylmethyl]amino]uridylylimino[[(9H-fluoren-9-ylmethoxy)carbonyl]carbonimidoyl]imino-(3′→5′)-5′-deoxy-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Adenosine, N-benzoyl-3′-deoxy-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-[[[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]thioxomethyl]amino]-

3′-Amino-N-benzoyl-3′-deoxy-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

Adenosine, N-benzoyl-3′-deoxy-3′-[[(1,1-dimethylethoxy)carbonyl]amino]-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Adenosine, 3′-deoxy-3′-[[(1,1-dimethylethoxy)carbonyl]amino]-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Adenosine, N-benzoyl-3′,5′-dideoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-[[[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]thioxomethyl]amino]-5′-[[(4-methoxyphenyl)diphenylmethyl]amino]-

Adenosine, 3′-amino-N-benzoyl-3′,5′-dideoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)diphenylmethyl]amino]-

Adenosine, N-benzoyl-3′,5′-dideoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-5′-[[(4-methoxyphenyl)diphenylmethyl]amino]-

Adenosine, 5′-azido-N-benzoyl-3′,5′-dideoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-

Adenosine, 3′-amino-5′-azido-N-benzoyl-3′,5′-dideoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Adenosine, 5′-azido-N-benzoyl-3′,5′-dideoxy-3′-[[(1,1-dimethylethoxy)carbonyl]amino]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Adenosine, 3′-deoxy-3′-[[(1,1-dimethylethoxy)carbonyl]amino]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Adenosine, 3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-(hydroxyamino)-

Adenosine, 3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-(hydroxyimino)-

Uridine, 3′-amino-3′,5′-dideoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)diphenylmethyl]amino]-

4,6-Dichloro-5-hydroxy-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-2(1H)-pyrimidinone

5-Bromo-4,6-dichloro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-2(1H)-pyrimidinone

Uridine, 6-amino-, 2′,3′,5′-triacetate

Uridine, 6-amino-, cyclic 4-(1,2-ethanediyl acetal), 2′,3′,5′-triacetate