1-[2-Deoxy-5-O-[(S)-[[(1S)-1-methyl-2-oxo-2-(2-propyn-1-yloxy)ethyl]amino]phenoxyphosphinyl]-β-L-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-5-O-[(S)-[[(1S)-1-methyl-2-oxo-2-(2-propen-1-yloxy)ethyl]amino]phenoxyphosphinyl]-β-L-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-5-O-[(S)-[[(1S)-2-(2-methoxyethoxy)-1-methyl-2-oxoethyl]amino]phenoxyphosphinyl]-β-L-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-5-O-[(S)-[[(1S)-1-methyl-2-oxo-2-(2-propyn-1-yloxy)ethyl]amino]phenoxyphosphinyl]-β-L-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-5-O-[(S)-[[(1S)-1-methyl-2-oxo-2-(2-propen-1-yloxy)ethyl]amino]phenoxyphosphinyl]-β-L-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

9-[2-Deoxy-5-O-[(S)-[[(1S)-1-methyl-2-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]-2-oxoethyl]amino]phenoxyphosphinyl]-β-L-erythro-pentofuranosyl]-9H-purin-6-amine

1-[2-Deoxy-2-fluoro-5-O-[(S)-[[(1S)-1-methyl-2-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]-2-oxoethyl]amino]phenoxyphosphinyl]-β-L-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-5-O-[(S)-[[(1S)-1-methyl-2-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]-2-oxoethyl]amino]phenoxyphosphinyl]-β-L-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-5-O-[(S)-[[(1S)-1-methyl-2-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]-2-oxoethyl]amino]phenoxyphosphinyl]-β-L-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

N-[[P(S)]-2′-Deoxy-P-phenyl-5′-adenylyl]-L-alanine 2-methoxyethyl ester

N-[[P(S)]-2′-Deoxy-P-phenyl-5′-adenylyl]-L-alanine 2-propen-1-yl ester

N-[[P(S)]-2′-C-Methyl-P-phenyl-5′-cytidylyl]-L-alanine 2-methoxyethyl ester

N-[[P(S)]-2′-C-Methyl-P-phenyl-5′-cytidylyl]-L-alanine 2-propyn-1-yl ester

N-[[P(S)]-2′-C-Methyl-P-phenyl-5′-cytidylyl]-L-alanine 2-propen-1-yl ester

N-[[P(S),2′S]-2′-Chloro-2′-deoxy-2′-fluoro-P-phenyl-5′-cytidylyl]-L-alanine 2-methoxyethyl ester

N-[[P(S),2′S]-2′-Chloro-2′-deoxy-2′-fluoro-P-phenyl-5′-cytidylyl]-L-alanine 2-propyn-1-yl ester

N-[[P(S),2′S]-2′-Chloro-2′-deoxy-2′-fluoro-P-phenyl-5′-cytidylyl]-L-alanine 2-propen-1-yl ester

N-[[P(S)]-2′-Deoxy-2′,2′-difluoro-P-phenyl-5′-cytidylyl]-L-alanine 2-methoxyethyl ester

N-[[P(S)]-2′-Deoxy-2′,2′-difluoro-P-phenyl-5′-cytidylyl]-L-alanine 2-propyn-1-yl ester

N-[[P(S)]-2′-Deoxy-2′,2′-difluoro-P-phenyl-5′-cytidylyl]-L-alanine 2-propen-1-yl ester