3'-O,5'-O,N3-tritoluoyl-5-iodo-2'-deoxyuridine

3',5'-di-O-acetyl-5-(chloromercurio)-2'-deoxyuridine

5-iodo-4-((trimethylsilyl)oxy)-1-((2R,4S,5R)-4-((trimethylsilyl)oxy)-5-(((trimethylsilyl)oxy)methyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one

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