3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)-6,2'-methano-cyclouridine

2'(R)-iodomethyl-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)-5-bromouridine

5-bromo-5,6,-dihydro-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)-6,2'-methano-cyclouridine

Methanesulfonic acid (2R,3R,3aR,9aR)-2-(5-bromo-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-3-ylmethyl ester

6-palmitoylamino-1-<2-deoxy-2-methylene-α-D-erythro-pentofuranosyl>-1,5-dihydro-4H-imidazo<4,5-c>pyridin-4(5H)-one