title: Protection of uracil residue with methoxyethoxymethyl group.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D005019:Ethyl Ethers; D009841:Oligonucleotides / Q000138:chemical synthesis*; D014498:Uracil
chemical_list: D005019:Ethyl Ethers; D009841:Oligonucleotides; C040414:methoxyethoxymethyl chloride; D014498:Uracil