title: [On heterocycles, XLVI: syntheses of thiazolo(4,5-d)pyridazines].
mesh_terms: D008722:Methods; D011724:Pyridazines / Q000138:chemical synthesis*; D013844:Thiazoles / Q000138:chemical synthesis
chemical_list: D011724:Pyridazines; D013844:Thiazoles
vernacular_title: Heterocyclen, 46. Mitt. Synthese von Thiazolo(4,5-d)pyridazinen.