1,1-Dimethylethyl 18-[6-amino-9-(5-chloro-5-deoxy-β-D-ribofuranosyl)-9H-purin-2-yl]-3,6,9,12,15-pentaoxaoctadec-17-ynoate

(2′S)-2′-Bromo-2′-deoxy-2′-fluoro-N,N-bis[(1,1-dimethylethoxy)carbonyl]-6-O-(phenylmethyl)guanosine

1,3-Bis(1,1-dimethylethyl) 2-[9-[(2S)-2-bromo-2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-α-D-erythro-pentofuranosyl]-6-(phenylmethoxy)-9H-purin-2-yl]imidodicarbonate

(2′S)-2′-Bromo-2′-deoxy-2′-fluoro-N,N-bis[(1,1-dimethylethoxy)carbonyl]adenosine

1,3-Bis(1,1-dimethylethyl) 2-[9-[(2S)-2-bromo-2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-α-D-erythro-pentofuranosyl]-9H-purin-6-yl]imidodicarbonate

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

N-[1-[(2S)-2-Bromo-2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-α-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

6-Fluoro-1,4-dihydro-3-hydroxy-4-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-2-pyrazinecarboxamide

Acridinium, 10-[4-[[3-[1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propen-1-yl]amino]-4-oxobutyl]-3,6-bis(dimethylamino)-, inner salt

Cytidine, N-benzoyl-2′-deoxy-5′-O-(4,6-dihydroxy-4,6-dioxido-1,3,5,2,4,6-trioxatriphosphorinan-2-yl)-5-ethyl-, 3′-acetate

Cytidine, N-benzoyl-2′-deoxy-5′-O-(4,6-dihydroxy-4,6-dioxido-1,3,5,2,4,6-trioxatriphosphorinan-2-yl)-5-methyl-, 3′-acetate

Cytidine, N-benzoyl-5-bromo-2′-deoxy-5′-O-(4,6-dihydroxy-4,6-dioxido-1,3,5,2,4,6-trioxatriphosphorinan-2-yl)-, 3′-acetate

Cytidine, N-benzoyl-2′-deoxy-5′-O-(4,6-dihydroxy-4,6-dioxido-1,3,5,2,4,6-trioxatriphosphorinan-2-yl)-5-iodo-, 3′-acetate

Cytidine, N-benzoyl-2′-deoxy-5-ethyl-5′-O-(4-oxo-4H-1,3,2-benzodioxaphosphorin-2-yl)-, 3′-acetate

Cytidine, N-benzoyl-2′-deoxy-5-methyl-5′-O-(4-oxo-4H-1,3,2-benzodioxaphosphorin-2-yl)-, 3′-acetate

Cytidine, N-benzoyl-5-bromo-2′-deoxy-5′-O-(4-oxo-4H-1,3,2-benzodioxaphosphorin-2-yl)-, 3′-acetate

Cytidine, N-benzoyl-2′-deoxy-5-iodo-5′-O-(4-oxo-4H-1,3,2-benzodioxaphosphorin-2-yl)-, 3′-acetate

Cytidine, N-benzoyl-2′-deoxy-5-ethyl-, 3′-acetate