title: Introduction of an azide group into some uridine derivatives via 2',3'-benzoxonium and 2',3'-azidonium intermediates.
mesh_terms: D001086:Arabinofuranosyluracil / Q000031:analogs & derivatives; D001386:Azides; D055598:Chemical Phenomena; D002621:Chemistry; D009861:Onium Compounds; D011741:Pyrimidine Nucleosides / Q000031:analogs & derivatives
chemical_list: D001386:Azides; D009861:Onium Compounds; D011741:Pyrimidine Nucleosides; D001086:Arabinofuranosyluracil