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