title: STUDIES ON KETENE AND ITS DERIVATIVES. VI. REACTION OF DIKETENE WITH AMINOPYRIDINES AND THEIR N-OXIDES.
mesh_terms: D000631:Aminopyridines; D002626:Chemistry, Pharmaceutical; D005030:Ethylenes; D007659:Ketones; D007783:Lactones; D010087:Oxides; D011725:Pyridines; D012106:Research
chemical_list: D000631:Aminopyridines; D005030:Ethylenes; D007659:Ketones; D007783:Lactones; D010087:Oxides; D011725:Pyridines; C004773:diketene; C008223:ketene
keywords: CHEMISTRY, PHARMACEUTICAL; EXPERIMENTAL LAB STUDY; KETONES; PYRIDINES