(2R,3S,4S,5R)-2-azido-2-((((tert-butoxycarbonyl)-L-valyl)oxy)methyl)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-methyltetrahydrofuran-3-yl (tert-butoxycarbonyl)-L-valinate

1-((2R,3S,4S,5R)-5-azido-4-hydroxy-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione

1-((2R,3S,4S,5R)-5-azido-4-((tert-butyldimethylsilyl)oxy)-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione