title: [Preparation and structure of pyrazolone azomethine dyes (author's transl)].
mesh_terms: D001391:Azo Compounds / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D004396:Coloring Agents / Q000138:chemical synthesis*; D011720:Pyrazoles / Q000138:chemical synthesis*
chemical_list: D001391:Azo Compounds; D004396:Coloring Agents; D011720:Pyrazoles
vernacular_title: Zur Darstellung und Struktur von Pyrazolon-Azomethinfarbstoffen