3'-(aminomethyl)-5'-O-tert-butyldimethylsilyl-3'-deoxythymidine

1-{(3'S,4'S)-3'-C-[(acetylthio)methyl]-5'-O-[(tert-butyl)diphenylsilyl]-2',3'-dideoxy-β-pentofuranosyl}thymine

5'-O-[(tert-butyl)diphenylsilyl]-2'-deoxy-3'-de(phosphinicooxy)thymidylylmethylenesulfonylmethylene-(3'->5')-3'-O-[(tert-butyl)diphenylsilyl]-2',5'-dideoxythymidine

5'-O-(tert-butyldiphenylsilyl)-3'-deoxy-3'-C-(acetoxymethyl)-thymidine