title: [Preparation of disubstituted 4-oxo-4H-pyrazole-1,2-bis-oxides (author's transl)].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002855:Chromatography, Thin Layer; D003497:Cyclic N-Oxides / Q000138:chemical synthesis*; D007202:Indicators and Reagents; D009573:Nitrites; D010091:Oximes; D011720:Pyrazoles / Q000138:chemical synthesis*
chemical_list: D003497:Cyclic N-Oxides; D007202:Indicators and Reagents; D009573:Nitrites; D010091:Oximes; D011720:Pyrazoles
vernacular_title: Darstellung disubstituierter 4-Oxo-4H-pyrazol-1,2-bis-oxide