for the following products
(2R,3S,4S,5R)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((tert-butyldimethylsilyl)oxy)-5-(2-isobutyramido-6-oxo-3,6-dihydro-9H-purin-9-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphospho | 5'-O-(4,4-Dimethoxytrityl)-2'-o-[(tert-butyl)dimethylsilyl]-n-isobutyrylguanosine-3'-(2-cyanoethyl-N,N-diisopropyl)phosphoramidite | 5'-O-DMT-2'-O-tert-Butyldimethylsilyl-N2-isobutyrylguanosine 3'-CE phosphoramidite | 5'-O-Dmt-2'-tbdms-rg(N-ibu)-3'-cedpa | DMT-2'-O-TBDMS-rG(iBu)-phosphoramidite and Ibu-G-CE-Phosphoramidite
