title: Pyridopyrimidines. 5. N-oxidations and rearrangements in the pyrido[2,3-d]pyrimidine series.
mesh_terms: D000970:Antineoplastic Agents / Q000138:chemical synthesis*; D003497:Cyclic N-Oxides / Q000138:chemical synthesis*; D008722:Methods; D011725:Pyridines / Q000138:chemical synthesis; D011743:Pyrimidines / Q000138:chemical synthesis*
chemical_list: D000970:Antineoplastic Agents; D003497:Cyclic N-Oxides; D011725:Pyridines; D011743:Pyrimidines