title: Studies on nucleosides and nucleotides. IV. Synthesis of isoglycosyluracils and isoglycosyl-2-thiouracils from glycosylureas and glycosylthioureas.
mesh_terms: D009705:Nucleosides / Q000737:chemistry*; D009711:Nucleotides / Q000737:chemistry*; D013889:Thiouracil
chemical_list: D009705:Nucleosides; D009711:Nucleotides; D013889:Thiouracil
keywords: NUCLEOSIDES AND NUCLEOTIDES/chemistry