3'-O-(t-butyldimethylsilyl)thymidine
Triethylammonium 6-N-benzoyl-2'-deoxy-5'-O-(4,4'-dimethoxytrityl)adenosine 3'-H-phosphonate
(SP)-N6-benzoyl-5'-O-(4,4-dimethoxytrityl)-2'-deoxyadenoylyl-(3'->5')-N6-benzoyl-3'-O-<1,1-dimethylethyl)dimethylsilyl>thymidine 3'-methylphosphonate
(SP)-N6-benzoyl-5'-O-(4,4-dimethoxytrityl)-2'-adenoylyl-(3'->5')-3'-O-<1,1-dimethylethyl)dimethylsilyl>-thymidine 3'-H-phosphonate