Hexanamide, N-[[3-(2-deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-2-oxofuro[2,3-d]pyrimidin-6-yl]methyl]-6-[(trifluoroacetyl)amino]-

N-[[3-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-2,3-dihydro-2-oxofuro[2,3-d]pyrimidin-6-yl]methyl]-3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthene]-5-carboxamide

6-(Aminomethyl)-3-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]furo[2,3-d]pyrimidin-2(3H)-one

N-[[3-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-2,3-dihydro-2-oxofuro[2,3-d]pyrimidin-6-yl]methyl]-2,2,2-trifluoroacetamide

N-[(2,3-Dihydro-2-oxo-3-β-D-ribofuranosylfuro[2,3-d]pyrimidin-6-yl)methyl]-2,2,2-trifluoroacetamide

N-[[3-(2-Deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-2-oxofuro[2,3-d]pyrimidin-6-yl]methyl]-2,2,2-trifluoroacetamide

N-[4-[3-(2-Deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-2-oxofuro[2,3-d]pyrimidin-6-yl]butyl]-2,2,2-trifluoroacetamide

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-2-oxofuro[2,3-d]pyrimidine-6-butanenitrile

3-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-2-oxofuro[2,3-d]pyrimidine-6-butanenitrile

Uridine, 5-(5-cyano-1-pentynyl)-2′-deoxy-, 3′,5′-diacetate

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-3,7-dihydropyrido[2,3-d]pyrimidin-2(1H)-one

Pyrido[2,3-d]pyrimidin-2(3H)-one, 3-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-5,6,7,8-tetrahydro-

Pyrido[2,3-d]pyrimidin-2(3H)-one, 3-(2-deoxy-β-D-erythro-pentofuranosyl)-5,6,7,8-tetrahydro-

N-[3-[1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-(1H-1,2,4-triazol-1-yl)-5-pyrimidinyl]propyl]-2,2,2-trifluoroacetamide

Uridine, 2′-deoxy-5-[3-[(trifluoroacetyl)amino]propyl]-, 3′,5′-bis(4-methylbenzoate)

Uridine, 2′-deoxy-5-[3-[(trifluoroacetyl)amino]-1-propynyl]-, 3′,5′-bis(4-methylbenzoate)

Guanosine, 5′-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-

Guanosine, 5′-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-

5′-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanosine

3-Furanmethanol, 5-(2,4-difluorophenyl)tetrahydro-2-methyl-5-(1H-1,2,4-triazol-1-yl)-, 3-(4-methylbenzenesulfonate), (2R,3S,5R)-rel-