β-Neuraminic acid, N-(1-oxo-4-pentyn-1-yl)-, 2-(hydrogen 5′-cytidylate)

Uridine, uridylyl-(3′→5′)-4-thio-

Uridine, 4-thiouridylyl-(3′→5′)-

Uridine, 4-thiouridylyl-(3′→5′)-4-thio-

Uridine, 4-thio-, 5′-acetate

Thymine, 1-α-D-lyxofuranosyl-, 2′,3′,5′-tribenzoate

4,7-Epoxy-4H,10H-[1,3]diazocino[1,2,3-cd]purine-10,12(11H)-dione, 5,6,7,8-tetrahydro-5,6-dihydroxy-11-methyl-, cyclic ethyl orthoformate (ester)

4,7-Epoxy-4H,10H-[1,3]diazocino[1,2,3-cd]purine-10,12(11H)-dione, 5,6,7,8-tetrahydro-5,6-dihydroxy-11-methyl-

9-(3-Deoxy-α-D-threo-pentofuranosyl)-9H-purin-6-amine

Thymidine, 2′-deoxy-α-(1H-imidazol-2-ylthio)-

1H-Pyrrolo[2,3-d]pyrimidine-5-carboximidic acid, 4,7-dihydro-4-oxo-7-β-D-ribofuranosyl-, hydrazide

4,7-Dihydro-4-oxo-7-β-D-ribofuranosyl-1H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile

4,7-Dihydro-4-oxo-7-β-D-ribofuranosyl-1H-pyrrolo[2,3-d]pyrimidine-5-carbothioamide

1-(2-Deoxy-α-D-erythro-pentofuranosyl)-5-[(1H-imidazol-2-ylthio)methyl]-2,4(1H,3H)-pyrimidinedione

4,7-Dihydro-4-oxo-7-β-D-ribofuranosyl-1H-pyrrolo[2,3-d]pyrimidine-5-carboxamide

4,7-Dihydro-4-oxo-7-β-D-ribofuranosyl-1H-pyrrolo[2,3-d]pyrimidine-5-carboximidamide

4,7-Dihydro-N-hydroxy-4-oxo-7-β-D-ribofuranosyl-1H-pyrrolo[2,3-d]pyrimidine-5-carboximidamide

Adenosine, N-[(6-chloro-3-pyridinyl)methyl]-

3′-Cytidylic acid, P-(2-cyanoethyl)thymidylyl-(3′→5′)-N-benzoyl-P-(2-cyanoethyl)-2′-deoxyadenylyl-(3′→5′)-N-benzoyl-2′-deoxy-, mono(2-cyanoethyl) ester, ester with methyl β-D-glucopyranoside 2,3-diacetate 4-(hydrogen butanedioate)

3′-Cytidylic acid, 5′-O-β-D-glucopyranosylthymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-, 3′→6-ester with methyl α-D-glucopyranoside