2-[2-[bis(4-methoxyphenyl)-phenylmethoxy]ethylamino]ethanol

3-chloro-N-4,4'-dimethoxytritylpropanamine

5'-O-(4,4'-dimethoxytrityl)-2,2'-O-anhydro-1-(β-D-arabinofuranosyl)uracil 3'-O-trichloroacetimidate

2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-O6-(2-(4-nitrophenyl)ethyl)-N2-phthaloylguanosine