title: [Studies on the syntheses of N-heterocyclic compounds. XII. Syntheses of pyrido(3,4-d)pyridazine and pyrido(2,3-d)pyridazine derivatives].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D011621:Pteridines / Q000138:chemical synthesis*; D011724:Pyridazines; D011725:Pyridines
chemical_list: D011621:Pteridines; D011724:Pyridazines; D011725:Pyridines