Uridine, 3′,5′-bis-O-(6-chloro-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-2′-deoxy-5-fluoro-

Uridine, 2′-deoxy-5′-O-(6,8-dimethyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-5-fluoro-

Uridine, 2′-deoxy-5-fluoro-5′-O-(8-methyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-5′-O-(6-methyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-5′-O-(8-methoxy-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-5′-O-(6-methoxy-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-5′-O-(2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 5′-O-(6-chloro-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-2′-deoxy-5-fluoro-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[[[1-(2-fluorophenyl)-4-methoxy-4-piperidinyl]oxy](2-nitrophenyl)methyl]thymidylyl-(3′→5′)-

Thymidine, P-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P-[[[1-(2-fluorophenyl)-4-methoxy-4-piperidinyl]oxy](2-nitrophenyl)methyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, P-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P-[hydroxy(2-nitrophenyl)methyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[[[1-(2-fluorophenyl)-4-methoxy-4-piperidinyl]oxy](2-nitrophenyl)methyl]thymidylyl-(3′→5′)-, 3′-(aminooxoacetate)

Thymidine, (R)-P-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, (S)-P-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[[[1-(2-fluorophenyl)-4-methoxy-4-piperidinyl]oxy]phenylmethyl]thymidylyl-(3′→5′)-

Thymidine, P-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P-[[[1-(2-fluorophenyl)-4-methoxy-4-piperidinyl]oxy]phenylmethyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, P-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P-(hydroxyphenylmethyl)thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[[[1-(2-fluorophenyl)-4-methoxy-4-piperidinyl]oxy]phenylmethyl]thymidylyl-(3′→5′)-, 3′-(aminooxoacetate)

Thymidine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylylmethylenedithio-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[[(2-nitrophenyl)dithio]methyl]-