7-(5-Deoxy-5-fluoro-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

4-Chloro-7-(5-deoxy-5-fluoro-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine

4-Chloro-7-(5-deoxy-5-fluoro-β-D-ribofuranosyl)-5-iodo-7H-pyrrolo[2,3-d]pyrimidine

4-Chloro-7-(5-deoxy-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine

3-[5-O-(Triphenylmethyl)-β-D-ribofuranosyl]-3H-imidazo[4,5-c]pyridin-4-amine

1-[5-O-(Triphenylmethyl)-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridin-4-amine

4-[5-O-(Triphenylmethyl)-β-D-ribofuranosyl]-4H-imidazo[4,5-b]pyridin-7-amine

3-[5-O-(Triphenylmethyl)-β-D-ribofuranosyl]-3H-imidazo[4,5-b]pyridin-7-amine

1-[5-O-(Triphenylmethyl)-β-D-ribofuranosyl]-1H-pyrrolo[2,3-d]pyrimidin-4-amine

4-Chloro-5-iodo-7-[5-O-(triphenylmethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

2-Amino-3,7-dihydro-7-[5-O-(triphenylmethyl)-β-D-ribofuranosyl]-4H-pyrrolo[2,3-d]pyrimidin-4-one

4-Chloro-7-[5-O-(triphenylmethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

2-Amino-1,7-dihydro-7-[5-O-(triphenylmethyl)-β-D-ribofuranosyl]-6H-purin-6-one

Benzamide, N-[1-[(2ξ)-5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-2-fluoro-β-D-erythro-pentofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-

Benzamide, N-[1-[(2ξ)-5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-fluoro-β-D-erythro-pentofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-

Benzamide, N-[1-[(2ξ)-2-deoxy-2-fluoro-β-D-erythro-pentofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-