1-((2R,3R,4R,5S)-3,4-bis(tert-butyldimethylsilyloxy)-5-((S)-5-oxo-1,2-dithiolan-3-yl)-tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione

1-<2,3,5-tris-O-(tert-butyldimethylsilyl)-4α-hydroxymethyl-β-D-ribo-pentofuranosyl>uracil

1-<2,3,5-tris-O-(tert-butyldimethylsilyl)-4α-ethynyl-β-D-ribo-pentofuranosyl>uracil

1-<2,3,5-tris-O-(tert-butyldimethylsilyl)-4α-<2(Z)-chloroethenyl>-β-D-ribo-pentofuranosyl>uracil

2-Methyl-propane-2-sulfinic acid [(S)-[(2R,3R,4R,5R)-3,4-bis-(tert-butyl-dimethyl-silanyloxy)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-yl]-((2S,4R)-2-tert-butyl-5-oxo-4-phenyl-[1,3]dioxolan-4-yl)-methyl]-amide