5'-O-(4,4-Dimethoxytrityl)-2'-O-[(tert-butyl)dimethylsilyl]-N-isobutyrylguanosine-3'-(2-cyanoethyl-N,N-diisopropyl)phosphoramidite;5'-O-DMT-2'-TBDMS-rG(N-iBu)-3'-CEDPA;I-bu-rG Phosphoramidite;2'-TBDMS-ibu-G-CE-Phosphoramidite;5'-O-(4,4-DIMETHOXYTRITYL)-2'-O-((TERT-BUTYL)DIMETHYLSILYL)-N-ISOBUTYRYLGUANOSINE-3'-(2-CYANOETHYL-N,N-DIISOPROPYL)PHOS...;(2R,3R,4R,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((tert-butyldimethylsilyl)oxy)-5-(2-isobutyramido-6-oxo-1H-purin-9(6H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite;5'-O-dimethoxytrityl-2'-O-tert-butyldimethylsilyl-N2-isobutyryl guanosine 3'-O-(2-cyanoethyl-N,N-diisopropylphosphoramidite);ANW-44700;CTK8B4328;N-isobutyryl-5'-O-(4,4'-dimethoxytrityl)-2'-O-TBDM;N-(2-methyl-1-oxopropyl)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-guanosine, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite];i-bu-rG Phosphoramidite;2’-TBDMS-rG(N-ibu)Phosphoramidite;DMT-2′O-TBDMS-rG(ib) Phosphoramidite;REF DUPL: 2'-TBDMS-rG(N-ibu)Phosphoramidite;5'-O-DMT- 2'-O-TBDMS- N2-Isobutyryl-Guanosine Phosphoramidite;2'-O-tert-Butyldimethylsilyl-5'-O-DMT-N2-isobutyrylguanosine 3'-CE phosphoramidite;(2R,3R,4R,5R)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-(tert-butyldimethylsilyloxy)-5-(2-isobutyramido-6-oxo-1H-purin-9(6H)-yl)tetrahydrofuran-3-yl 2-cyanoethyl diisopropylphosphoramidite