L-Alanine, N-(hydroxyphenoxyphosphinyl)-, 1-methylethyl ester, 5′-ester with (2′S)-2′-bromo-2′-deoxy-2′-fluoro-N-[(phenylmethoxy)carbonyl]cytidine

(2R)-2′-Bromo-2′-deoxy-2′-fluoro-N-[(phenylmethoxy)carbonyl]cytidine

(2R)-2′-Bromo-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-fluoro-N-[(phenylmethoxy)carbonyl]cytidine

(2R)-2′-Bromo-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-fluorocytidine

(2R)-2′-Bromo-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-fluorocytidine

(2R)-2′-Bromo-2′-deoxy-2′-fluorocytidine

(2′R)-N-Benzoyl-2′-bromo-2′-deoxy-2′-fluorocytidine

(2′R)-N-Benzoyl-2′-bromo-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-fluorocytidine

1-[(2S)-2-Bromo-2-deoxy-2-fluoro-α-D-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

(2′S)-2′-Bromo-2′-deoxy-2′-fluorouridine

(2′S)-2′-Bromo-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-fluorouridine

N-[7-[3-O-(Azidomethyl)-2-deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-pentofuranosyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]benzamide

N-[7-[2-Deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-3-O-[(methylthio)methyl]-β-D-erythro-pentofuranosyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]benzamide

N-[7-[2-Deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-pentofuranosyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]benzamide

2-[(2-Aminoethyl)dithio]ethyl N-[3-[4-amino-7-[3-O-(azidomethyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]carbamate

1-(1,1-Dimethylethyl) 14-[4-amino-7-[3-O-(azidomethyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-10-oxo-9-oxa-5,6-dithia-2,11-diazatetradec-13-ynoate

1,1-Dimethylethyl 14-[4-amino-7-[3-O-(azidomethyl)-2-deoxy-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-10-oxo-9-oxa-5,6-dithia-2,11-diazatetradec-13-ynoate

1,1-Dimethylethyl 14-[4-amino-7-[3-O-(azidomethyl)-2-deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-10-oxo-9-oxa-5,6-dithia-2,11-diazatetradec-13-ynoate

5-(3-Amino-1-propyn-1-yl)-7-[3-O-(azidomethyl)-2-deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine