5-[2-[(2R,3R,4S,5R)-5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)tetrahydro-3,4-bis(hydroxymethyl)-2-furanyl]ethyl]-2,4(1H,3H)-pyrimidinedione

5-[2-[(2R,3S,4R,5R)-5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)tetrahydro-3-hydroxy-4-(hydroxymethyl)-2-furanyl]ethyl]-2,4(1H,3H)-pyrimidinedione

Thymidine, [[5,5′′:6,6′′-dicyclo]-(5R,6R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-5,6-dihydro-5-methyluridylyl-(3′→5′)]-5,6-dihydro-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite], (5S,6S)-

N′-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-h]quinazolin-2-yl]-N,N-dimethylmethanimidamide

N′-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-h]quinazolin-2-yl]-N,N-dimethylmethanimidamide

N′-[7-(2-Deoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-h]quinazolin-2-yl]-N,N-dimethylmethanimidamide

7-(2-Deoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-h]quinazolin-2-amine

7-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-h]quinazolin-2-amine

3′-Guanylic acid, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(dimethylamino)methylene]-P-2-propenylguanylyl-(3′→5′)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(dimethylamino)methylene]-, mono-2-propenyl ester, cyclic nucleotide

3′-Guanylic acid, N-[(dimethylamino)methylene]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-2-propenylguanylyl-(3′→5′)-N-[(dimethylamino)methylene]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 2-cyanoethyl 2-propenyl ester

2-Cyanoethyl 2-propen-1-yl 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(dimethylamino)methylene]-3′-guanylate

2′-O-[(1,1-Dimethylethyl)dimethylsilyl]-3′,5′-O-[bis(1,1-dimethylethyl)silylene]-N-[(dimethylamino)methylene]guanosine

Xanthylium, 9-[2-carboxy-4-[[[3-[1,2,3,4-tetrahydro-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-O-phosphono-β-D-ribofuranosyl]-2,4-dioxo-5-pyrimidinyl]-2-propen-1-yl]amino]carbonyl]phenyl]-3,6-bis(dimethylamino)-, inner salt

9,12-Epoxy-1H-diindolo[1,2,3-fg:3′,2′,1′-kl]pyrrolo[3,4-i][1,6]benzodiazocine-5,16-diacetic acid, 2,3,9,10,11,12-hexahydro-10-hydroxy-10-(methoxycarbonyl)-9-methyl-1-oxo-, (9S,10R,12R)-

9,12-Epoxy-1H-diindolo[1,2,3-fg:3′,2′,1′-kl]pyrrolo[3,4-i][1,6]benzodiazocine-10-carboxylic acid, 16-bromo-2,3,9,10,11,12-hexahydro-10-hydroxy-9-methyl-5-[3-[methyl(phenylmethyl)amino]-1-propynyl]-1-oxo-, methyl ester, (9S,10R,12R)-

Adenosine, N-(4-hydroxy-3-methyl-2-butenyl)-, 3′-(hydrogen butanedioate), (E)-

Adenosine, N-(3-methyl-2-butenyl)-, 3′-(hydrogen butanedioate)

Guanosine, 6-thio-N-(trimethylsilyl)-2′,3′,5′-tris-O-(trimethylsilyl)-6-S-(trimethylsilyl)-

Uridine, 4-thio-2′,3′,5′-tris-O-(trimethylsilyl)-4-S-(trimethylsilyl)-

Guanosine, 7,8-dihydro-N,N,7-trimethyl-8-oxo-2′,3′,5′,6-tetrakis-O-(trimethylsilyl)-