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

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

1-[(Phenylmethoxy)methyl]-5-[3,5-O-[[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]bis(methylene)]-β-D-ribofuranosyl]-2,4(1H,3H)-pyrimidinedione

6-(Aminomethyl)-5-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-1-methyl-2,4(1H,3H)-pyrimidinedione

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-β-D-ribofuranosyl]-1-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-3,4-dihydro-N-methyl-2,4-dioxo-1(2H)-pyrimidineacetamide

Ethyl5-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidineacetate

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-β-D-ribofuranosyl]-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidineacetamide

Ethyl5-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-β-D-ribofuranosyl]-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidineacetate

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-3,4-dihydro-N-methyl-2,4-dioxo-1(2H)-pyrimidinepropanamide

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-methyl-β-D-ribofuranosyl]-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-β-D-ribofuranosyl]-3,4-dihydro-N-methyl-2,4-dioxo-1(2H)-pyrimidineacetamide

1-[(Phenylmethoxy)methyl]-5-[2-O-(methylsulfonyl)-3,5-O-[[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]bis(methylene)]-β-Dribofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-β-D-ribofuranosyl]-3,4-dihydro-N,N-dimethyl-2,4-dioxo-1(2H)-pyrimidineacetamide

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-β-D-ribofuranosyl]-3,4-dihydro-N-hydroxy-2,4-dioxo-1(2H)-pyrimidineacetamide

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-β-D-ribofuranosyl]-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidineaceticacidhydrazide

Ethyl-3,4-dihydro-2,4-dioxo-5-[3,5-O-[[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]bis(methylene)]-β-D-ribofuranosyl]-1(2H)-pyrimidineacetate

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-β-D-ribofuranosyl]-N-ethyl-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidineacetamide

Methyl5-[3,5-O-[bis(1,1-dimethylethyl)silylene]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinepropanoate