(2R,3S,5R)-2-((((2,3-dimethylbutan-2-yl)dimethylsilyl)oxy)methyl)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl methanesulfonate

(((2S,3S,5R)-3-azido-5-(phenylthio)tetrahydrofuran-2-yl)methoxy)(tert-butyl)dimethylsilane

((2S,3S,5R)-3-azido-5-(phenylthio)tetrahydrofuran-2-yl)methyl pivalate

3'-azido-3'-deoxy-5'-O-monomethoxytritylthymidine

1-[(2R,4S,5R)-4-hydroxy-5-[[(4-methoxyphenyl)-diphenylmethoxy]methyl]oxolan-2-yl]-5-methylpyrimidine-2,4-dione