title: [Synthesis of 1,2-diazine derivatives. VI. 4, 5-Substituted pyridazine derivatives].
mesh_terms: D006571:Heterocyclic Compounds / Q000737:chemistry*; D011724:Pyridazines
chemical_list: D006571:Heterocyclic Compounds; D011724:Pyridazines; C062482:pyridazine
keywords: HETEROCYCLIC COMPOUNDS/chemistry