tert-butyl (Z)-2-(((benzyloxy)carbonyl)amino)-3-((2R,3R,4R,5R)-5-(3-((benzyloxy)methyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-bis((tert-butyldimethylsilyl)oxy)tetrahydrofuran-2-yl)acrylate

tert-butyl (E)-2-(((benzyloxy)carbonyl)amino)-3-((2R,3R,4R,5R)-5-(3-((benzyloxy)methyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-bis((tert-butyldimethylsilyl)oxy)tetrahydrofuran-2-yl)acrylate

tert-butyl (S)-2-(((benzyloxy)carbonyl)amino)-3-((2R,3R,4R,5R)-3,4-bis((tert-butyldimethylsilyl)oxy)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)propanoate

1-{(2R,3R,4R,5R)-3,4-Bis-(tert-butyl-dimethyl-silanyloxy)-5-[(2S,3R)-3-(2,3-dihydro-indole-1-carbonyl)-oxiranyl]-tetrahydro-furan-2-yl}-1H-pyrimidine-2,4-dione

1-((2R,3R,4R,5R)-3,4-bis((tert-butyldimethylsilyl)oxy)-5-((2S,3R)-3-(hydroxymethyl)oxiran-2-yl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione