title: [Studies on the syntheses of N-heterocyclic compounds. X. Syntheses of 2-phenyl-pyrazino(2,3-d)pyridazine derivatives].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D011621:Pteridines / Q000138:chemical synthesis*; D011719:Pyrazines; D011724:Pyridazines
chemical_list: D011621:Pteridines; D011719:Pyrazines; D011724:Pyridazines