title: Preparation and properties of O'-methyl and O'-ethyl derivatives of 1-beta-D-arabinofuranosylcytosine and 1-beta-D-arabinofuranosyluracil.
mesh_terms: D000478:Alkylation; D002854:Chromatography, Paper; D003561:Cytarabine / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D003641:Deamination; D005019:Ethyl Ethers / Q000138:chemical synthesis; D008738:Methyl Ethers / Q000138:chemical synthesis; D008745:Methylation; D008968:Molecular Conformation; D009705:Nucleosides / Q000138:chemical synthesis*; D013056:Spectrophotometry, Ultraviolet; D014498:Uracil / Q000031:analogs & derivatives* / Q000138:chemical synthesis
chemical_list: D005019:Ethyl Ethers; D008738:Methyl Ethers; D009705:Nucleosides; D003561:Cytarabine; D014498:Uracil