(6aR,8R,9R,9aR)-8-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,2,4,4-tetraisopropyltetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-9-yl 2-phenoxyacetate

1,1,1-trichloro-2-methylpropan-2-yl 2,6-dioxo-3-((6aR,8R,9R,9aR)-2,2,4,4-tetraisopropyl-9-methoxytetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)-3,6-dihydropyrimidine-1(2H)-carboxylate

1,1,1-trichloro-2-methylpropan-2-yl 2,6-dioxo-3-((6aR,8R,9R,9aR)-2,2,4,4-tetraisopropyl-9-(2-phenoxyacetoxy)tetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)-3,6-dihydropyrimidine-1(2H)-carboxylate

N3-[(2,2,2-trichloro-1,1-dimethylethoxy)carbonyl]-3',5'-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)uridine

3-(4-methoxyphenylmethyl)-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)uridine