2-(((2R,3S,4R,5R)-3-(benzyloxy)-5-(3-((benzyloxy)methyl)-5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxytetrahydrofuran-2-yl)oxy)ethyl 4-methylbenzenesulfonate

1-((1R,6R,8R,9S)-9-(benzyloxy)-6-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-2,5,7-trioxabicyclo[4.2.1]nonan-8-yl)-3-((benzyloxy)methyl)-5-methylpyrimidine-2,4(1H,3H)-dione

2'-O,4'-C-ethyleneoxy-5-methyluridine

1-((1R,6R,8R,9S)-6-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-9-hydroxy-2,5,7-trioxabicyclo[4.2.1]nonan-8-yl)-5-methylpyrimidine-2,4(1H,3H)-dione

(1R,6R,8R,9S)-6-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-8-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,5,7-trioxabicyclo[4.2.1]nonan-9-yl (2-cyanoethyl) diisopropylphosphoramidite