for the following products
dmf-dG-CE-Phophoramidite | DMT-dG(DMF)-CEPhosphoramidite | N'-[9-[(2R,4S,5R)-5-[[bis-(4-Methoxyphenyl)-phenylmethoxy]methyl]-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]-6-oxo-3H-purin-2-yl]-N,N-dimethylmethanimidamide | N2-(dimethylamino)methylene-deoxyguanosine phosphoramidite and 5'-O-DMT-N2-DMF-2'-deoxyguanosine 3'-CE phosphoramidite