N-[(2′R)-2′-Deoxy-2′-fluoro-4′-C-fluoro-P-1-naphthalenyl-2′-(trifluoromethyl)-5′-uridylyl]-D-alanine 2,2-dimethylpropyl ester

N-[2′-C-(Difluoromethyl)-4′-C-fluoro-P-1-naphthalenyl-5′-uridylyl]-D-alanine 2,2-dimethylpropyl ester

N-[(2′S)-2′-Deoxy-2′-(difluoromethyl)-4′-C-fluoro-2′-methyl-P-1-naphthalenyl-5′-uridylyl]-D-alanine 1,1-dimethylethyl ester

D-Alanine, N-[hydroxy(1-naphthalenyloxy)phosphinyl]-, 1,1-dimethylethyl ester, 5′-ester with 1-[2-deoxy-2-(difluoromethyl)-4-C-fluoro-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

N-[(2′R)-2′-Chloro-2′-deoxy-2′-(difluoromethyl)-4′-C-fluoro-P-1-naphthalenyl-5′-uridylyl]-D-alanine 2,2-dimethylpropyl ester

N-[(2′R)-2′-Deoxy-2′-(difluoromethyl)-2′-fluoro-4′-C-fluoro-P-1-naphthalenyl-5′-uridylyl]-D-alanine 2,2-dimethylpropyl ester

N-[4′-C-Fluoro-2′-C-(fluoromethyl)-P-1-naphthalenyl-5′-uridylyl]-D-alanine 2,2-dimethylpropyl ester

N-[(2′S)-2′-Deoxy-4′-C-fluoro-2′-(fluoromethyl)-2′-methyl-P-1-naphthalenyl-5′-uridylyl]-D-alanine 1,1-dimethylethyl ester

D-Alanine, N-[hydroxy(1-naphthalenyloxy)phosphinyl]-, 1,1-dimethylethyl ester, 5′-ester with 1-[2-deoxy-4-C-fluoro-2-(fluoromethyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

N-[(2′R)-2′-Chloro-2′-deoxy-4′-C-fluoro-2′-(fluoromethyl)-P-1-naphthalenyl-5′-uridylyl]-D-alanine 2,2-dimethylpropyl ester

N-[(2′R)-2′-Deoxy-2′-fluoro-4′-C-fluoro-2′-(fluoromethyl)-P-1-naphthalenyl-5′-uridylyl]-D-alanine 2,2-dimethylpropyl ester

N-(2′-C-Fluoro-P-1-naphthalenyl-5′-uridylyl)-D-alanine 2,2-dimethylpropyl ester

N-[(2′S)-2′-Deoxy-2′-fluoro-2′-methyl-P-1-naphthalenyl-5′-uridylyl]-D-alanine 1,1-dimethylethyl ester

D-Alanine, N-[hydroxy(1-naphthalenyloxy)phosphinyl]-, 1,1-dimethylethyl ester, 5′-ester with 1-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

N-(2′-Deoxy-2′,2′-difluoro-P-1-naphthalenyl-5′-uridylyl)-D-alanine 2,2-dimethylpropyl ester

N-(P-1-Naphthalenyl-5′-uridylyl)-D-alanine 2,2-dimethylpropyl ester

N-(2′-Deoxy-2′-methyl-P-1-naphthalenyl-5′-uridylyl)-D-alanine 2,2-dimethylpropyl ester

N-(2′-Deoxy-P-1-naphthalenyl-5′-uridylyl)-D-alanine 2,2-dimethylpropyl ester

N-(2′-Chloro-2′-deoxy-P-1-naphthalenyl-5′-uridylyl)-D-alanine 2,2-dimethylpropyl ester

N-(2′-Deoxy-2′-fluoro-P-1-naphthalenyl-5′-uridylyl)-D-alanine 2,2-dimethylpropyl ester