5′-Thymidylic acid, bis(2,2,2-trichloroethyl) ester

Guanosine, uridylyl-(3′→5′)-, 2′-methanesulfonate

Guanosine, uridylyl-(3′→5′)-8-mercapto-, 2′-methanesulfonate

5′-Thymidylic acid, α-[[6-[[6-[[5-[(3aS,4S,6aR)-hexahydro-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]-1-oxohexyl]amino]hexyl]oxy]-, monoanhydride with (dibromomethylene)bis[phosphonic acid]

Acetamide, N-[3-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-O-(3-carboxy-1-oxopropyl)-3-O-[tris(1-methylethyl)silyl]-β-D-ribofuranosyl]-3H-imidazo[4,5-b]pyridin-7-yl]-2-methoxy-

N-[3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-(hydroxyphosphinyl)-2-O-[tris(1-methylethyl)silyl]-β-D-ribofuranosyl]-3H-imidazo[4,5-b]pyridin-7-yl]-2-methoxyacetamide

N-[3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[tris(1-methylethyl)silyl]-β-D-ribofuranosyl]-3H-imidazo[4,5-b]pyridin-7-yl]-2-methoxyacetamide

2-Phenoxy-N-(3-β-D-ribofuranosyl-3H-imidazo[4,5-b]pyridin-7-yl)acetamide

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-(1,2-dihydro-6-methoxy-2-oxo-5-pyrimidinyl)-1H-imidazole-4-carboxamide

5-(2-Amino-4-methoxy-5-pyrimidinyl)-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-imidazole-4-carboxamide

1-(3,5-Di-O-benzoyl-β-D-erythro-pentofuranos-2-ulosyl)-2,4(1H,3H)-pyrimidinedione

(2R,3R,3aS,9aR)-3-(Acetyloxy)-2-[(acetyloxy)methyl]-3a,9a-dihydro-3a-methyl-2H,3H,6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one

9-[(1R,5R,7R,8S)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-8-hydroxy-3-methyl-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-1,9-dihydro-6H-purin-6-one

6H-Purin-6-one, 1,9-dihydro-9-[(1R,5R,7R,8S)-8-hydroxy-5-(hydroxymethyl)-3-methyl-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-