N3-benzoyl-2'-deoxy-2'-methylidene-5'-O-trityluridine

N3-benzoyl-2'-deoxy-2'-methylideneuridine

1-((6aR,8R,9S,9aR)-2,2,4,4-tetraisopropyl-9-methyltetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)pyrimidine-2,4(1H,3H)-dione

5'-O-dimethoxytrityl-(2'S)-2'-deoxy-2'-C-methyluridine

2'-deoxy-2'-C-β-methyl-N4-benzoylcytidine