Benzamide, N-[7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-methyl-β-D-ribofuranosyl]-2-fluoro-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-

Benzamide, N-[7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-O-methyl-β-D-ribofuranosyl]-2-fluoro-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-

Benzamide, N-[2-fluoro-7-(2-O-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-

Benzamide, N-[2-fluoro-7-[2-O-methyl-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 2-fluoro-7-[2-O-methyl-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-ribofuranosyl]-

7H-Pyrrolo[2,3-d]pyrimidine, 4-azido-2-fluoro-7-[2-O-methyl-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-ribofuranosyl]-

7H-Pyrrolo[2,3-d]pyrimidine, 4-azido-2-fluoro-7-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-ribofuranosyl]-

7H-Pyrrolo[2,3-d]pyrimidine, 4-azido-2-fluoro-7-β-D-ribofuranosyl-

7H-Pyrrolo[2,3-d]pyrimidine, 4-azido-2-fluoro-7-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-

7H-Pyrrolo[2,3-d]pyrimidin-2-amine, 4-azido-7-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-