Xanthosine, 1,3-dimethyl-, 2′,3′-dibenzoate 5′-(diphenyl phosphate)

Guanosine, N-acetyl-, 2′,3′,5′-triacetate

N-[6,7-Dihydro-6-oxo-7-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-purin-2-yl]acetamide

Adenosine, N-benzoyl-, 2′,3′,5′-triacetate

Adenine, 9-[2,3-O-isopropylidene-2-C-(nitromethyl)-β-D-lyxofuranosyl]-

Adenine, 9-[2-C-(nitromethyl)-β-D-lyxofuranosyl]-

Adenine, 9-[3,5-O-isopropylidene-2-C-(nitromethyl)-β-D-lyxofuranosyl]-

Adenine, 9-(3,5-O-isopropylidene-β-D-threo-pentofuranosulos-1-yl)-

Guanosine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-O-[5-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)pentyl]adenylyl-(3′→5′)-2′-deoxy-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[5-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)pentyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 2′-O-(4-aminobutyl)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)butyl]-

Uridine, 3′-O-[4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)butyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-[[(4,5-dimethoxy-2-nitrophenyl)acetyl]amino]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[4-[[[(4,5-dimethoxy-2-nitrophenyl)methoxy]carbonyl]amino]butyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)butyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[4-[[[(4,5-dimethoxy-2-nitrophenyl)methoxy]carbonyl]amino]butyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Carbamic acid, [1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]-, 1,1-dimethylethyl ester

[(2S,5R)-5-[4-[[2-[2-(1,1-Dimethylethoxy)-2-oxoethoxy]acetyl]amino]-2-oxo-1(2H)-pyrimidinyl]tetrahydro-2-furanyl]methyl 2-[2-(1,1-dimethylethoxy)-2-oxoethoxy]acetate

1,1-Dimethylethyl 2-[2-[[1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]amino]-2-oxoethoxy]acetate