(2'S)-2'-Bromo-2'-deoxy-5'-O-[(4R)-5,5-dimethyl-4-[[[3-(1-methylethoxy)-3-oxopropyl]amino]carbonyl]-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2'-fluoroguanosine

7-[(2S)-2-Bromo-2-deoxy-5-O-[(4R)-5,5-dimethyl-4-[[[3-(1-methylethoxy)-3-oxopropyl]amino]carbonyl]-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2-fluoro-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

2-Amino-7-[(2S)-2-bromo-2-deoxy-5-O-[(4R)-5,5-dimethyl-4-[[[3-(1-methylethoxy)-3-oxopropyl]amino]carbonyl]-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2-fluoro-β-D-erythro-pentofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

(2'S)-2'-Bromo-2'-deoxy-5'-O-[(4R)-5,5-dimethyl-4-[[[3-(1-methylethoxy)-3-oxopropyl]amino]carbonyl]-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2'-fluoroadenosine

(2′S)-2′-Bromo-2′-deoxy-5′-O-[(4R)-5,5-dimethyl-4-[[[3-(1-methylethoxy)-3-oxopropyl]amino]carbonyl]-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2′-fluorouridine

(2′S)-2′-Bromo-2′-deoxy-5′-O-[(4R)-5,5-dimethyl-4-[[[3-(1-methylethoxy)-3-oxopropyl]amino]carbonyl]-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2′-fluorocytidine

N-[(2′S)-2-Amino-2′-bromo-2′-deoxy-2′-fluoro-P-[2-[3-(1-methylethoxy)-3-oxopropyl]phenyl]-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[(2′S)-2′-Bromo-2′-deoxy-2′-fluoro-6-O-methyl-P-[2-[3-(1-methylethoxy)-3-oxopropyl]phenyl]-5′-guanylyl]-L-alanine 1-methylethyl ester

L-Alanine, N-[hydroxy[2-[3-(1-methylethoxy)-3-oxopropyl]phenoxy]phosphinyl]-, 1-methylethyl ester, 5′-ester with 7-[(2S)-2-bromo-2-deoxy-2-fluoro-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine-2,4-diamine

N-[(2′S)-2′-Bromo-2′-deoxy-2′-fluoro-P-[2-[3-(1-methylethoxy)-3-oxopropyl]phenyl]-5′-guanylyl]-L-alanine 1-methylethyl ester

L-Alanine, N-[hydroxy[2-[3-(1-methylethoxy)-3-oxopropyl]phenoxy]phosphinyl]-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2S)-2-bromo-2-deoxy-2-fluoro-β-D-erythro-pentofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[hydroxy[2-[3-(1-methylethoxy)-3-oxopropyl]phenoxy]phosphinyl]-, 1-methylethyl ester, 5′-ester with 7-[(2S)-2-bromo-2-deoxy-2-fluoro-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

N-[(2′S)-2′-Bromo-2′-deoxy-2′-fluoro-P-[2-[3-(1-methylethoxy)-3-oxopropyl]phenyl]-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[(2′S)-2′-Bromo-2′-deoxy-2′-fluoro-P-[2-[3-(1-methylethoxy)-3-oxopropyl]phenyl]-5′-uridylyl]-L-alanine 1-methylethyl ester

N-[(2′S)-2′-Bromo-2′-deoxy-2′-fluoro-P-[2-[3-(1-methylethoxy)-3-oxopropyl]phenyl]-5′-cytidylyl]-L-alanine 1-methylethyl ester

L-Alanine, N-(hydroxyphenoxyphosphinyl)-, 1-methylethyl ester, 5′-ester with 7-[(2S)-2-bromo-2-deoxy-2-fluoro-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine-2,4-diamine

7-[(2S)-2-Bromo-2-deoxy-2-fluoro-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine-2,4-diamine

N-[(2′S)-2′-Bromo-2′-deoxy-2′-fluoro-6-O-methyl-P-phenyl-5′-guanylyl]-L-alanine 1-methylethyl ester

7-[(2S)-2-Bromo-2-deoxy-2-fluoro-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

L-Alanine, N-(hydroxyphenoxyphosphinyl)-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2S)-2-bromo-2-deoxy-2-fluoro-β-D-erythro-pentofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one