Thymidine, 3′-benzenesulfonate

Cytidine, N-benzoyl-2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-(4-methylbenzenesulfonate)

Adenosine, N-benzoyl-2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-(4-methylbenzenesulfonate)

Cytidine, N-benzoyl-2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-acetate

Guanosine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′,5′-dimethanesulfonate

Adenosine, N-benzoyl-2′-deoxy-, 3′,5′-dimethanesulfonate

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-seleno-P-thiothymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-, ion(1-)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-thiothymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-selenothymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-, ion(1-)

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-methyl-P-selenothymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidine

N-(2-Hydroxyacetyl)-α-neuraminic acid 2-(hydrogen 5′-cytidylate)

N-[6-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-9H-purin-2-yl]acetamide

Acetamide, N-[[[2-(acetylamino)-4,5-dihydro-5-oxo-1H-imidazol-4-yl](2,3,5-tri-O-acetyl-β-D-ribofuranosyl)amino]carbonyl]-

N-[(Acetylamino)iminomethyl]-N-[2,5-dioxo-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-4-imidazolidinyl]acetamide

N-(2-Amino-4-oxo-4H-imidazol-5-yl)-N-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)urea

N-(2-Amino-4,5-dihydro-5-oxo-1H-imidazol-4-yl)-N-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)urea

Guanidine, [2,5-dioxo-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-4-imidazolidinyl]-

6-Chloro-2-methoxy-9-β-D-ribofuranosyl-9H-purine

Adenosine, 2-(propylamino)-

L-Serine, N-(3-cyclohexyl-1-oxopropyl)-O-(phenylmethyl)-, 5′-ester with uridine