1-(2-Deoxy-β-D-erythro-pentofuranosyl)-5,6-difluoro-1H-benzimidazol-2-amine

5,6-Difluoro-1-β-D-ribofuranosyl-1H-benzimidazol-2-amine

8-(2-Aminoethoxy)-3-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-pyrimido[5,4-b][1,4]benzoxazin-2(3H)-one

N-[2-[[3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-2,3-dihydro-2-oxo-1H-pyrimido[5,4-b][1,4]benzoxazin-8-yl]oxy]ethyl]-2,2,2-trifluoroacetamide

N-[2-[[3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-2,3-dihydro-2-oxo-1H-pyrimido[5,4-b][1,4]benzoxazin-8-yl]oxy]ethyl]-2,2,2-trifluoroacetamide

8-(2-Azidoethoxy)-3-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-pyrimido[5,4-b][1,4]benzoxazin-2(3H)-one

8-(2-Azidoethoxy)-3-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-pyrimido[5,4-b][1,4]benzoxazin-2(3H)-one

5-Bromo-1-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

6-[2-Deoxy-5-O-[[[(difluorophosphonomethyl)hydroxyphosphinyl]oxy]hydroxyphosphinyl]-β-D-erythro-pentofuranosyl]thieno[2,3-c]pyridine-7(6H)-thione

6-[2-Deoxy-5-O-(hydroxy-4-morpholinylphosphinyl)-β-D-erythro-pentofuranosyl]thieno[2,3-c]pyridine-7(6H)-thione

6-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)thieno[2,3-c]pyridine-7(6H)-thione

1-Butanaminium, 2-[[10-[[1-(2-deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]-1,10-dioxodecyl]oxy]-N,N,N-trimethyl-4-oxo-4-(phenylmethoxy)-, (2R)-

1-Butanaminium, 2-[[8-[[1-(2-deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]-1,8-dioxooctyl]oxy]-N,N,N-trimethyl-4-oxo-4-(phenylmethoxy)-, (2R)-