5-[3-(8-(4-N',N'-dimethylaminophenyl)pyrene-1-carboxamido)-1-propynyl]-3',5'-O,O'bis(tert-butyldimethylsilyl)-2'-deoxyuridine

5-{1-[(2R,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl}-pent-4-ynal

5-[2-(4-N,N-dimethylaminophenyl)ethyl]-2'-deoxyuridine

5',3'-bis-O-tert-butyldimethylsilyl-5-[2-(4-N,N-dimethylaminophenyl)ethyl]-2'-deoxyuridine