5'-Dimethoxytrityl-N-benzoyl-(2'-O, 4'-C methylene)-Adenosine,3'-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
5'-Dimethoxytrityl-N-benzoyl-5-methyl-(2'-O, 4'-C methylene)-Cytidine,3'-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
5'-Dimethoxytrityl-N-dimethylformamidine-(2'-O, 4'-C methylene)-Guanosine,3'-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
5'-Dimethoxytrityl-5-methyl-(2'-O, 4'-C methylene)-Uridine,3'-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
5'-Dimethoxytrityl-N-phenoxyacetyl-beta-L-2'-deoxyAdenosine,3'-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
5'-Dimethoxytrityl-N-acetyl-beta-L-2'-deoxyCytidine,3'-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
5'-Dimethoxytrityl-N-p-isopropyl-phenoxyacetyl-beta-L-2'-deoxyGuanosine,3'-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
5'-Dimethoxytrityl-beta-L-2'-deoxyThymidine,3'-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
5'-O-(4,4'-Dimethoxytrityl)-2'-O-methoxyethyl-N6-benzoyl-adenosine -3'-O-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
5'-O-(4,4'-Dimethoxytrityl)-2'-O-methoxyethyl-5-methyl-N4-benzoyl- cytidine-3'-O-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite