(2R,3R,3aS,7aR)-2-(4-Chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)octahydro-3-benzofuranol

(4aS,5aR,11aS,11bS)-4a-Ethynyl-4a,5a,11a,11b-tetrahydro-2,2,8-trimethyl-4H,9H-1,3-dioxino[4′′,5′′:4′,5′]furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-9-one

2,4(1H,3H)-Pyrimidinedione, 5-methyl-1-[3,5-O-(1-methylethylidene)-α-D-ribofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[3,5-O-(1-methylethylidene)-β-L-ribofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[3,5-O-(1-methylethylidene)-α-D-ribofuranosyl]-

7H-Pyrrolo[2,3-d]pyrimidine, 4-chloro-5-iodo-7-[3,5-O-(1-methylethylidene)-4-C-phenyl-α-L-lyxofuranosyl]-

7H-Pyrrolo[2,3-d]pyrimidine, 4-chloro-7-[4-C-ethynyl-3,5-O-(1-methylethylidene)-α-L-lyxofuranosyl]-5-iodo-

1-[3-O-[10-[(Aminocarbonyl)amino]-1,4-dioxodecyl]-5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-L-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-L-erythro-pentofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 5-methyl-1-[2-O-(phenoxythioxomethyl)-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-L-ribofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 5-methyl-1-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-L-ribofuranosyl]-

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-L-ribofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-N,N-dibutylmethanimidamide

N′-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-L-ribofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-N,N-dibutylmethanimidamide

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-L-ribofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-N,N-dibutylmethanimidamide

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-L-ribofuranosyl]-2,4(1H,3H)-pyrimidinedione

N′-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-L-ribofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-N,N-dibutylmethanimidamide

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-L-ribofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-N,N-dibutylmethanimidamide