2,6-Dichloro-9-[2,3,5-tris-O-(phenylmethyl)-α-D-arabinofuranosyl]-9H-purine

(2R,3R,3aS,9aR)-2-[(Benzoyloxy)methyl]-2,3,3a,9a-tetrahydro-3-hydroxy-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one

6H-Furo[2′,3′:4,5]oxazolo[3,2-c]pyrimidin-6-one, 2,3,3a,9a-tetrahydro-3-hydroxy-2-[[(methylsulfonyl)oxy]methyl]-, [2R-(2α,3β,3aβ,9aβ)]-

Uracil, 1-β-D-arabinofuranosyl-, 2′,5′-dimethanesulfonate

Uracil, 1-β-D-arabinofuranosyl-, 3′-acetate 2′,5′-dimethanesulfonate

Uracil, 1-β-D-arabinofuranosyl-, 3′-acetate

Uracil, 1-(3-amino-3-deoxy-β-D-arabinofuranosyl)-4-thio-, 2′,5′-dibenzoate

Uracil, 1-(3-amino-3-deoxy-β-D-arabinofuranosyl)-, 2′,5′-dibenzoate

Uracil, 1-(2-deoxy-α-D-erythro-pentofuranosyl)-5-[(imidazol-2-ylthio)methyl]-, 3′,5′-bis(p-chlorobenzoate)

Uridine, 2′-deoxy-5-[(imidazol-2-ylthio)methyl]-, 3′,5′-bis(p-chlorobenzoate)

Uracil, 5-[(benzyloxy)methyl]-1-(2-deoxy-α-D-erythro-pentofuranosyl)-, 3′,5′-bis(p-chlorobenzoate)

Uridine, 5-[(benzyloxy)methyl]-2′-deoxy-, 3′,5′-bis(p-chlorobenzoate)

Adenosine, 2′-deoxy-4′-C-ethynyl-2-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]-3′-O-[(4-methoxyphenyl)diphenylmethyl]-, 5′-[4-[2-[(1-oxoheptyl)oxy]-1-[[(1-oxoheptyl)oxy]methyl]ethyl] butanedioate]

Adenosine, 2′-deoxy-4′-C-ethynyl-2-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]-3′-O-[(4-methoxyphenyl)diphenylmethyl]-, 5′-[β,β,2,4-tetramethyl-6-[(1-oxodecyl)oxy]benzenepropanoate]

Adenosine, 2′-deoxy-4′-C-ethynyl-2-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]-3′-O-[(4-methoxyphenyl)diphenylmethyl]-, 5′-[2-(2,2-dimethyl-1-oxopropoxy)-β,β,4,6-tetramethylbenzenepropanoate]

Adenosine, 2′-deoxy-4′-C-ethynyl-2-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]-3′-O-[(4-methoxyphenyl)diphenylmethyl]-, 5′-[4-[2-(2-methyl-1-oxopropoxy)-1-[(2-methyl-1-oxopropoxy)methyl]ethyl] butanedioate]