DMT-2O-MOE-rG(ib) Phosphoramidite belongs to cyanoethyl-protected nucleoside phosphoramidites. DMT-2O-MOE-rG(ib) Phosphoramidite is a derivative of nucleotide and guanosine. DMT-2O-MOE-rG(ib) Phosphoramidite can be used for the stereochemical synthesis of phosphorothioate oligonucleotides[1].