title: [Mannich reaction of 4-pyrones].
mesh_terms: D000588:Amines; D055598:Chemical Phenomena; D002621:Chemistry; D007202:Indicators and Reagents; D011714:Pyrans; D011753:Pyrones
chemical_list: D000588:Amines; D007202:Indicators and Reagents; D011714:Pyrans; D011753:Pyrones
vernacular_title: Uber die Mannich-Reaktion von 4-Pyron