(2S)-2-[[(1,1-Dimethylethoxy)carbonyl]amino]-3-phenylpropyl 5-(1,1-dimethylethoxy)-1,2-dimethyl-3-oxo-7-oxa-2-azabicyclo[2.2.1]heptane-4-carboxylate

Carbamic acid, [5-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino][2-(4-nitrophenyl)ethoxy]phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-4,5-dihydro-4-oxo-1,3,5-triazin-2-yl]-, 2-(4-nitrophenyl)ethyl ester

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-methyl-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 3′-[2-(4-nitrophenyl)ethyl bis(1-methylethyl)phosphoramidite]

Carbamic acid, [5-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-4,5-dihydro-4-oxo-1,3,5-triazin-2-yl]-, 2-(4-nitrophenyl)ethyl ester

Carbamic acid, [5-[2-deoxy-3,5-bis-O-(trimethylsilyl)-β-D-erythro-pentofuranosyl]-4,5-dihydro-4-oxo-1,3,5-triazin-2-yl]-, 2-(4-nitrophenyl)ethyl ester

4-Amino-1-[2-deoxy-3,5-bis-O-(trimethylsilyl)-β-D-erythro-pentofuranosyl]-1,3,5-triazin-2(1H)-one

Uridine, 2′-deoxy-3′-O-(2-hydroxyethyl)-

Adenosine, N-[(2E)-4-hydroxy-3-methyl-2-butenyl]-8-methyl-2-(methylthio)-

Adenosine, N-[(2Z)-4-hydroxy-3-methyl-2-butenyl]-8-methyl-2-(methylthio)-

Adenosine, N-[(2E)-4-hydroxy-3-methyl-2-butenyl]-8-methyl-

Adenosine, N-[(2Z)-4-hydroxy-3-methyl-2-butenyl]-8-methyl-

(1S,4S,5S)-N-[[(1S,2R,5S)-6,6-Dimethylbicyclo[3.1.1]hept-2-yl]methyl]-5-ethoxy-1,2-dimethyl-3-oxo-7-oxa-2-azabicyclo[2.2.1]heptane-4-carboxamide

(1S,4S,5S)-5-Ethoxy-N-[2-(1H-indol-3-yl)ethyl]-1,2-dimethyl-3-oxo-7-oxa-2-azabicyclo[2.2.1]heptane-4-carboxamide

(1S,4S,5S)-5-Ethoxy-1,2-dimethyl-3-oxo-N-(phenylmethyl)-7-oxa-2-azabicyclo[2.2.1]heptane-4-carboxamide

(1S,4S,5S)-5-Ethoxy-N-(3-hydroxypropyl)-1,2-dimethyl-3-oxo-7-oxa-2-azabicyclo[2.2.1]heptane-4-carboxamide

(1S,4R,5S)-5-Ethoxy-N-hydroxy-1,2-dimethyl-3-oxo-7-oxa-2-azabicyclo[2.2.1]heptane-4-carboxamide

(1R,4R,5R)-N-[[(1S,2R,5S)-6,6-Dimethylbicyclo[3.1.1]hept-2-yl]methyl]-5-ethoxy-1,2-dimethyl-3-oxo-7-oxa-2-azabicyclo[2.2.1]heptane-4-carboxamide

(1R,4R,5R)-N-(Cyclohexylmethyl)-5-ethoxy-1,2-dimethyl-3-oxo-7-oxa-2-azabicyclo[2.2.1]heptane-4-carboxamide

(1R,4R,5R)-5-Ethoxy-1,2-dimethyl-N-(1-methylethyl)-3-oxo-7-oxa-2-azabicyclo[2.2.1]heptane-4-carboxamide

(1R,4R,5R)-5-Ethoxy-1,2-dimethyl-3-oxo-N-2-propen-1-yl-7-oxa-2-azabicyclo[2.2.1]heptane-4-carboxamide