title: Pteridines. XXX. A facile synthesis of xanthopterin.
mesh_terms: D000812:Anhydrides; D003497:Cyclic N-Oxides; D003500:Cyclization; D014976:Xanthopterin / Q000138:chemical synthesis*
chemical_list: D000812:Anhydrides; D003497:Cyclic N-Oxides; D014976:Xanthopterin