5-Pyrimidinepropanoic acid, α-[[(aminocarbonyl)(2-deoxy-3-O-phosphono-β-D-erythro-pentofuranosyl)amino]methyl]-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-α-methyl-2,4-dioxo-, cyclic 3′→5′′-ester, (αR)-

5′-Thymidylic acid, α-[(5R)-1-(2-deoxy-β-D-erythro-pentofuranosyl)hexahydro-4,4-dihydroxy-5-methyl-2-oxo-5-pyrimidinyl]-, intramol. 5′→3′′′-ester

Adenosine, 5′-[[(3S)-3-amino-3-carboxypropyl]-2-penten-4-yn-1-ylsulfonio]-5′-deoxy-, inner salt

N-[3-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl]propyl]-2,2,2-trifluoroacetamide

N-[3-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl]propyl]-2,2,2-trifluoroacetamide

N-[3-[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1H-pyrazolo[3,4-d]pyrimidin-3-yl]propyl]-2,2,2-trifluoroacetamide

N-[3-[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1H-pyrazolo[3,4-d]pyrimidin-3-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-3-iodo-1H-pyrazolo[3,4-d]pyrimidine

1-[3,5-Bis-O-(4-chlorobenzoyl)-2-deoxy-β-D-erythro-pentofuranosyl]-3-iodo-1H-pyrazolo[3,4-d]pyrimidine

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1H-pyrazolo[3,4-d]pyrimidine-3-propanamine