rel-(5S)-1-[2,3:5,6-Bis-O-(1-methylethylidene)-β-D-gulofuranosyl]-5-methyl-2-pyrrolidinone

N-[2,3:5,6-Bis-O-(1-methylethylidene)-β-D-gulofuranosyl]-N-(2,4-dinitrophenoxy)-4-pentenamide

N-[2,3:5,6-Bis-O-(1-methylethylidene)-β-D-gulofuranosyl]-N-hydroxy-4-pentenamide

3-β-L-Arabinofuranosyl-2-fluoro-3H-purin-6-amine

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-[[[6-(dimethylamino)-2-naphthalenyl]carbonyl]amino]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 2′-deoxy-2′-[[[6-(dimethylamino)-2-naphthalenyl]carbonyl]amino]-

Thymidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-, 3′-(dihydrogen phosphorothioate)

Thymidine, 5′-deoxy-5′-iodo-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-C-[(1E)-2-(ethylthio)ethenyl]-

(1R,3R,4R,5Z,5aR,11R)-11-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-3-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-5-[(ethylthio)methylene]tetrahydro-4-hydroxy-1,4-methano-1H-pyrimido[1,6-c][1,3]oxazepine-7,9(3H,6H)-dione

(1R,3R,4R,5Z,5aR,11R)-11-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-3-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-4-hydroxy-5-[(tributylstannyl)methylene]-1,4-methano-1H-pyrimido[1,6-c][1,3]oxazepine-7,9(3H,6H)-dione

Cytidine, guanylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-adenylyl-(3′→5′)-2′-deoxy-

5′-Guanylic acid, 2′-deoxy-N-(2-methyl-1-oxopropyl)-, 4-chlorophenyl 2-[2-[[(2S)-3-(1H-indol-3-yl)-1-oxo-2-[(2,2,2-trifluoroacetyl)amino]propyl]amino]ethoxy]ethyl ester, 3′-(4-oxopentanoate)

5′-Guanylic acid, 2′-deoxy-N-(2-methyl-1-oxopropyl)-, 4-chlorophenyl 2-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]ethoxy]ethyl ester, 3′-(4-oxopentanoate)

Thymidine, 3′-azido-P,3′-dideoxy-P-[(octyloxy)carbonyl]thymidylyl-(5′→5′)-3′-azido-3′-deoxy-

Thymidine, 3′-azido-P,3′-dideoxy-P-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]carbonyl]thymidylyl-(5′→5′)-3′-azido-3′-deoxy-

10-(2-Deoxy-β-D-erythro-pentofuranosyl)-8-methylpyrimido[1,6-a]perimidin-11(10H)-one

1-[5-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-L-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedithione

3,4-Dihydro-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-L-arabinofuranosyl]-5-methyl-4-thioxo-2(1H)-pyrimidinone

2,3-Dihydro-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-L-arabinofuranosyl]-5-methyl-2-thioxo-4(1H)-pyrimidinone