1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-3-deoxy-3-(difluoromethyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 1-(2-deoxy-β-L-erythro-pentofuranosyl)-4-[[(4-methoxyphenyl)diphenylmethyl]amino]-2(1H)-pyrimidinone

1-(2-Deoxy-β-L-erythro-pentofuranosyl)-4-[[(4-methoxyphenyl)diphenylmethyl]amino]-2(1H)-pyrimidinone

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-2-(difluoromethyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-deoxy-3-(difluoromethyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-(difluoromethyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

Uridine, 6-(1,3-diphenyl-2-imidazolidinyl)-2′,3′-O-(methoxymethylene)-

Uridine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-6-(1,3-diphenyl-2-imidazolidinyl)-2′,3′-O-(methoxymethylene)-

Uridine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-6-formyl-2′,3′-O-(methoxymethylene)-

Uridine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(methoxymethylene)-

Uridine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-5-[(2,5-dihydro-2,2,5,5-tetramethyl-1-oxy-1H-pyrrol-3-yl)ethynyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylyl(2-oxo-1,2-ethanediyl)[(phenylmethoxy)imino]-(3′→5′)-5′-deoxy-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylyl(2-oxo-1,2-ethanediyl)[(phenylmethoxy)imino]-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 5′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[(phenylmethoxy)imino]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylyl(2-oxo-1,2-ethanediyl)(methoxyimino)-(3′→5′)-5′-deoxy-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-3′-[2-oxo-2-(phenylmethoxy)ethyl]-

Thymidine, 3′-deoxy-3′-[2-oxo-2-(phenylmethoxy)ethyl]-

Thymidine, 5′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-(methoxyamino)-

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-2′-deoxyadenylyl-(3′→5′)-P-(2-cyanoethyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-P-(2-cyanoethyl)-2′-deoxycytidylyl-(3′→5′)-N-benzoyl-P-(2-cyanoethyl)-2′-deoxycytidylyl-(3′→5′)-

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxo-2′-deoxyadenylyl-(3′→5′)-P-(2-cyanoethyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-P-(2-cyanoethyl)-2′-deoxycytidylyl-(3′→5′)-N-benzoyl-P-(2-cyanoethyl)-2′-deoxycytidylyl-(3′→5′)-