Uridine, 3′-deoxy-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-(2-methoxy-2-oxoethylidene)-, (3′E)-

1-[3-C-[(1S)-2-Amino-1-chloro-2-oxoethyl]-2,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-C-[(1S)-2-Amino-1-azido-2-oxoethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-C-[(1S)-2-Amino-1-azido-2-oxoethyl]-2,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2,5-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3-C-(2-ethoxy-2-oxoethyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2,5-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3-C-(2-methoxy-2-oxoethyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

(2R,3R,4R,6R,7R)-6-(3,4-Dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-1,5-dioxaspiro[2.4]heptane-2-carboxylic acid hydrazide

(2R,3R,4R,6R,7R)-6-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-1,5-dioxaspiro[2.4]heptane-2-carboxylic acid hydrazide

(2R,3R,4R,6R,7R)-6-(3,4-Dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-N-hydroxy-1,5-dioxaspiro[2.4]heptane-2-carboxamide

(2R,3R,4R,6R,7R)-6-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-N-hydroxy-1,5-dioxaspiro[2.4]heptane-2-carboxamide

(2R,3R,4R,6R,7R)-6-(3,4-Dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-1,5-dioxaspiro[2.4]heptane-2-carboxamide

(2R,3R,4R,6R,7R)-6-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-1,5-dioxaspiro[2.4]heptane-2-carboxamide

Methyl (2R,3R,4R,6R,7R)-6-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-1,5-dioxaspiro[2.4]heptane-2-carboxylate

Methyl (2R,3R,4R,6R,7R)-6-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-1,5-dioxaspiro[2.4]heptane-2-carboxylate

Thymidine, 3′-O-[(4S)-4-(dimethylamino)-5,6-bis(methoxycarbonyl)-4H-1,3-thiazin-2-yl]-

Thymidine, 3′-O-[(4R)-4-(dimethylamino)-5,6-bis(methoxycarbonyl)-4H-1,3-thiazin-2-yl]-

Thymidine, 3′-O-[(4S)-4-(dimethylamino)-5,6-bis(methoxycarbonyl)-4H-1,3-thiazin-2-yl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 3′-O-(4-methyl-2-thiazolyl)-

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-O-(4-methyl-2-thiazolyl)-

Thymidine, 3′-O-[(4R)-4-(dimethylamino)-5,6-bis(methoxycarbonyl)-4H-1,3-thiazin-2-yl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-