5'-O-DMT-5-[N-(2-(trifluoroacetamido)ethyl)-3-E-acrylamido]-deoxyuridine

5'-o-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-[3-oxo-3-[[2-[(trifluoroacetyl)amino]ethyl]amino]-1-propenyl]uridine ; 5'-o-dmt-5-[n-(2-(trifluoroacetamido)ethyl)-3-e-acrylamido]-2'-deoxyuridine ; 5'-o-(dimethoxytrityl)-5-[n-(2-(trifluoroacetamido)ethyl)-3-(e)-acrylamido]-2'-decxyuridine ; 5'-o-dmt-5-[n-(2-(trifluoroacetamido)ethyl)-3-e-acrylamido]-deoxyuridine ; 5'-o-(dimethoxytrityl)-5-[n-(2-(trifluoroacetamido)ethyl)-3-(e)-acrylamido]-2'-deoxyuridine