title: [Synthesis of pyrido (3,4-d)pyridazine and  -styrylpyridazine derivatives from dimethyl 5-hydroxy-6-methylcinchomeronate].
mesh_terms: D005453:Fluorescence; D011724:Pyridazines / Q000138:chemical synthesis*; D011725:Pyridines / Q000138:chemical synthesis; D013057:Spectrum Analysis; D013343:Styrenes / Q000138:chemical synthesis
chemical_list: D011724:Pyridazines; D011725:Pyridines; D013343:Styrenes