title: Syntheses of isoalloxazines and isoalloxazine 5-oxides. A new synthesis of riboflavin.
mesh_terms: D003497:Cyclic N-Oxides / Q000138:chemical synthesis; D005415:Flavins / Q000138:chemical synthesis*; D012256:Riboflavin / Q000138:chemical synthesis*; D014498:Uracil / Q000031:analogs & derivatives
chemical_list: D003497:Cyclic N-Oxides; D005415:Flavins; C008173:isoalloxazine; D014498:Uracil; D012256:Riboflavin