Adenosine, 2′-O-dephosphinico-5′-O-phosphonoadenylylmethylenephosphinico-(2′→5′)-2′-O-dephosphinicoadenylylmethylenephosphinico-(2′→5′)-adenylyl-(2′→5′)-

Adenosine, 5′-O-phosphonoadenylyl-(2′→5′)-adenylyl-(2′→5′)-2′-O-dephosphinicoadenylylmethylenephosphinico-(2′→5′)-

Adenosine, 5′-O-phosphonoadenylyl-(2′→5′)-2′-O-dephosphinicoadenylylmethylenephosphinico-(2′→5′)-adenylyl-(2′→5′)-

Adenosine, 2′-O-dephosphinico-5′-O-phosphonoadenylylmethylenephosphinico-(2′→5′)-adenylyl-(2′→5′)-adenylyl-(2′→5′)-

2′-Deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidine

β-Alanine, N-(4-azido-2-nitrophenyl)-, 3′-ester with adenosine 5′-(trihydrogen diphosphate) P′→5′-ester with 3-acetyl-1-β-D-ribofuranosylpyridinium inner salt

2′-Deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanosine

N-[1-[2,3-Di-O-benzoyl-5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

N-[1-[2,3-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

7-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-4-methoxy-5-methyl-7H-pyrrolo[2,3-d]pyrimidin-2-amine

7-Deazaadenosine, N-benzoyl-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-methyl-7-deazaadenylyl-(2′→5′)-N-benzoyl-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-6-O-[(diphenylamino)carbonyl]-N-(2-methyl-1-oxopropyl)-P(S)-phenyl-2′-O-(tetrahydro-2H-pyran-2-yl)-P-thioguanylyl-(3′→5′)-N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2H-pyran-2-yl)-, 6-(diphenylcarbamate) 3′-(S,S-diphenyl phosphorodithioate)

N-[1-[2,3-Di-O-benzoyl-5-O-[(4-chlorophenoxy)hydroxyphosphinyl]-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

N-[9-[2,3-Di-O-benzoyl-5-O-[(4-chlorophenoxy)hydroxyphosphinyl]-β-D-arabinofuranosyl]-9H-purin-6-yl]benzamide

4-Amino-1-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

N-[1,2-Dihydro-2-oxo-1-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-arabinofuranosyl]-4-pyrimidinyl]benzamide

9-[2,3,5-Tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)guanosine

Adenosine, 2′-deoxy-, 5′-benzoate

5-Mercaptocytidine