碘苷

but-1-yn-4-yl thiobenzoate

5-(4-benzoylthiobut-1-ynyl)-3',5'-O-bis(tert-butyldimethylsilyl)-2'-deoxyuridine

硫代苯甲酸

2'-deoxy-3',5'-bis(O-tert-butyldimethylsilyl)-5-iodouridine