2-Fluoro-9-[2-O-[(phenylmethoxy)carbonyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

L-Alanine, N-(R)-phosphono-, 1-ethyl ester, cyclic (P→3′,5′)-ester with 2-chloro-9-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-9H-purin-6-amine

L-Alanine, N-(S)-phosphono-, 1-ethyl ester, cyclic (P→3′,5′)-ester with 2-chloro-9-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-9H-purin-6-amine

[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-thiothymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidine

(2R,5S)-5-[2-Amino-6-(cyclopropylamino)-9H-purin-9-yl]tetrahydro-2-furanmethanol

2-Furanmethanol, 5-[2-amino-6-(methylamino)-9H-purin-9-yl]tetrahydro-, (2R-cis)-

2-Furanmethanol, 5-[6-(cyclopropylamino)-9H-purin-9-yl]tetrahydro-, (2R-cis)-

Thymidine, 3′-acetate 5′-[3-(benzoyloxy)-2-[(1-oxooctadecyl)amino]octadecyl phosphonate], [S-(R*,S*)]-

5′-Thymidylic acid, mono[3-(benzoyloxy)-2-[(1-oxooctadecyl)amino]octadecyl] ester, 3′-acetate, [S-(R*,S*)]-

2,3-Dideoxy-2-[(6,9-dihydro-6-oxo-9-β-D-ribofuranosyl-1H-purin-2-yl)amino]-N-propyl-D-threo-pentonamide

2,3-Dideoxy-2-[(6,9-dihydro-6-oxo-9-β-D-ribofuranosyl-1H-purin-2-yl)amino]-N-propyl-D-arabino-hexonamide

Thymidine, (S)-P(S)-[[4-(2-methyl-1-oxopropoxy)phenyl]methyl]-P-thiothymidylyl-(3′→5′)-

4-Amino-1,2-dihydro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-3H-pyrazol-3-one

Thymidine, (R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethyleneoxy[(phenylmethoxy)phosphinylidene]-(3′→5′)-5′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, (R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethyleneoxy[(phenylmethoxy)phosphinylidene]-(3′→5′)-5′-deoxy-

Thymidine, (S)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethyleneoxy[(phenylmethoxy)phosphinylidene]-(3′→5′)-5′-deoxy-, 3′-acetate

Thymidine, 5′-deoxy-5′-[hydroxy(phenylmethoxy)phosphinyl]-, 3′-acetate

Thymidine, 5′-[bis(phenylmethoxy)phosphinyl]-5′-deoxy-, 3′-acetate

Thymidine, 3′-[(acetyloxy)methyl]-3′-deoxy-5′-O-(triphenylmethyl)-

Thymidine, 3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-[[[(trifluoromethyl)sulfonyl]oxy]methyl]-