6-O-[[[[2-(Azidomethyl)benzoyl]oxy]phenyl]methyl]-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-phenylacetyl)guanosine

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-phenylacetyl)-, 6-[2,3,4-tris(1-methylethyl)benzenesulfonate]

9-[2,5-Anhydro-3-O-(2,4,6,6-tetrahydroxy-2,4,6-trioxido-3,5-dioxa-2,4,6-triphosphahex-1-yl)-α-L-arabinofuranosyl]-9H-purin-6-amine

9-[2,5-Anhydro-3-O-[[bis(1-methylethoxy)phosphinyl]methyl]-α-L-arabinofuranosyl]-9H-purin-6-amine

9-[3-O-[[Bis(1-methylethoxy)phosphinyl]methyl]-5-O-(methylsulfonyl)-α-L-arabinofuranosyl]-9H-purin-6-amine

9-[3-O-[[Bis(1-methylethoxy)phosphinyl]methyl]-α-L-arabinofuranosyl]-9H-purin-6-amine

N-[9-[2,5-Di-O-benzoyl-3-O-[[bis(1-methylethoxy)phosphinyl]methyl]-α-L-arabinofuranosyl]-9H-purin-6-yl]benzamide

9-[3-O-[[Bis(1-methylethoxy)phosphinyl]methyl]-6-chloro-5,6-dideoxy-α-L-arabino-hex-5-enofuranosyl]-9H-purin-6-amine

N-[9-[2-O-Benzoyl-3-O-[[bis(1-methylethoxy)phosphinyl]methyl]-6-chloro-5,6-dideoxy-α-L-arabino-hex-5-enofuranosyl]-9H-purin-6-yl]benzamide

Spiro[7-oxa-2,4-diazabicyclo[4.2.0]oct-4-ene-8,4′(1′H)-pyrimidine]-2′,3,5(3′H)-trione, 1′-(2-deoxy-β-D-erythro-pentofuranosyl)-2-(2-deoxy-3-O-phosphono-β-D-erythro-pentofuranosyl)-6-methyl-, intramol. 3′′′,5′′-ester, (1R,4′R,6R)-

Spiro[7-oxa-2,4-diazabicyclo[4.2.0]oct-4-ene-8,4′(1′H)-pyrimidine]-2′,3(3′H)-dione, 5-amino-1′-(2-deoxy-β-D-erythro-pentofuranosyl)-2-(2-deoxy-3-O-phosphono-β-D-erythro-pentofuranosyl)-5′-methyl-, intramol. 3′′′,5′′-ester, (1R,4′S,6R)-

Spiro[7-oxa-2,4-diazabicyclo[4.2.0]oct-4-ene-8,4′(1′H)-pyrimidine]-2′,3(3′H)-dione, 5-amino-1′-(2-deoxy-β-D-erythro-pentofuranosyl)-2-(2-deoxy-3-O-phosphono-β-D-erythro-pentofuranosyl)-, intramol. 3′′′,5′′-ester, (1R,4′R,6R)-

1-Deoxy-N-ethyl-1-[2-iodo-6-(methoxyamino)-9H-purin-9-yl]-β-D-ribofuranuronamide

1-Deoxy-1-[2-iodo-6-(methoxyamino)-9H-purin-9-yl]-N-methyl-β-D-ribofuranuronamide

1-Deoxy-N-ethyl-1-[2-iodo-6-(methoxyamino)-9H-purin-9-yl]-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-1-[2-iodo-6-(methoxyamino)-9H-purin-9-yl]-N-methyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-1-(2,6-diiodo-9H-purin-9-yl)-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-1-(2,6-diiodo-9H-purin-9-yl)-N-methyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-(6-Amino-2-iodo-9H-purin-9-yl)-1-deoxy-N-methyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

9-(6-Deoxy-6-phosphono-β-D-allofuranosyl)-1,9-dihydro-6H-purin-6-one