C53H66N8O10Si
5'-O-DMT-N2-(dimethylaminomethylene)-2'-O-(tert-butyldimethylsilyl)-N1-(6-nitropiperonyloxymethylene) guanosine 3'-[(2-cyanoethyl)-N,N-diisopropylaminophosphoramidite]
5'-O-DMT-N2-(dimethylaminomethylene)-2'-O-(tert-butyldimethylsilyl)-N1-(6-nitropiperonyloxymethylene) guanosine