1-{(2R,3R,4R,5S)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-3-methoxy-4-[2-(4-methoxy-phenoxy)-ethyl]-tetrahydro-furan-2-yl}-5-methyl-1H-pyrimidine-2,4-dione

2'-O-methyl-5'-deoxy-5'-thiouridine

1-[(2R,3R,4R,5S)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-4-(2-hydroxy-ethyl)-3-methoxy-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidine-2,4-dione

1-((2R,4R,5S)-4-(2-((((2S,3S,4R,5R)-5-(2,4-dioxo-3-((2-(trimethylsilyl)ethoxy)methyl)-3,4-dihydropyrimidin-1(2H)-yl)-3-hydroxy-4-methoxytetrahydrofuran-2-yl)methyl)thio)ethyl)-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione

3-N-(trimethylsilyl)ethoxymethyl-2'-O-methyl-5'-deoxy-5'-thiouridine