4,11-Epoxy-5H-1,3-dioxolo[4,5-e]imidazo[2,1-b][1,3]oxazocine-8-carboxamide, 9-amino-3a,4,11,11a-tetrahydro-2,2-dimethyl-, [3aS-(3aα,4β,11β,11aα)]-

4,11-Epoxy-5H-1,3-dioxolo[4,5-e]imidazo[2,1-b][1,3]oxazocine-8-carboxamide, 3a,4,11,11a-tetrahydro-2,2-dimethyl-9-(phenylazo)-, [3aS-(3aα,4β,11β,11aα)]-

1H-Imidazole-4-carboxamide, 2,3-dihydro-1-[3-O-(1-methylethylidene)-β-D-ribofuranosyl]-2-oxo-5-(phenylazo)-

2,3-Dihydro-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-2-oxo-1H-imidazole-4-carboxamide

1H-Imidazole-4-carboxylic acid, 2,3-dihydro-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-2-oxo-, methyl ester

Methyl 5-bromo-2,3-dihydro-2-oxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-imidazole-4-carboxylate

2,3-Dihydro-2-oxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-imidazole-4-carboxylic acid

6-Chloro-2-(methylthio)-9-α-D-ribofuranosyl-9H-purine

6-Chloro-2-(methylthio)-9-(2,3,5-tri-O-acetyl-α-D-ribofuranosyl)-9H-purine

Thymidine, 5′-O-(triphenylmethyl)-, 3′-[bis(trimethylsilyl) phosphite]

Thymidine, 5′-O-(triphenylmethyl)-, 3′-(hydrogen P-carboxyphosphonate)

Thymidine, 5′-O-(triphenylmethyl)-, 3′-P-ester with 2,2,2-trichloroethyl dihydroxyphosphinecarboxylate oxide

Uridine, 2′,3′-O-(1-methylethylidene)-, 5′-(hydrogen P-carboxyphosphonate)

Uridine, 2′,3′-O-(1-methylethylidene)-, 5′-P-ester with 2,2,2-trichloroethyl dihydroxyphosphinecarboxylate oxide

Thymidine, 5′-O-(triphenylmethyl)-, 3′-[hydrogen (4-chlorobenzoyl)phosphonate]

Thymidine, 5′-O-(triphenylmethyl)-, 3′-[hydrogen (4-methoxybenzoyl)phosphonate]

Thymidine, 5′-O-(triphenylmethyl)-, 3′-(hydrogen benzoylphosphonate)

Adenosine, 5′-O-phosphonothymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-

Cytidine 3′-(trihydrogen diphosphate), 2′-deoxy-

Guanosine 5′-(trihydrogen diphosphate), 1-methyl-, P′-α-D-mannopyranosyl ester