chloromethoxy-triisopropyl-silane
5'-O-(4,4-dimethoxytrityl)-2'-O-triisopropylsilyloxymethyluridine-3'-[(2-cyanoethyl)-(N,N-diisopropyl)]phosphoramidite
N2-acetyl-5'-O-(4,4'-dimethoxytrityl)-2'-O-((triisopropylsilyloxy)methyl)guanosine 3'-(2-cyanoethyl-N,N-diisopropylphosphoramidite)
N6-acetyl-5'-O-(4,4'-dimethoxytrityl)-2'-O-{[(triisopropylsilyl)oxy]methyl}adenosine 3'-(2-cyanoethyl diisopropylphosphoramidite)