title: Letter: On the reaction of ethyl 4,4,4-trifluoroacetoacetate with cyanoacetic acid hydrazide--a novel rearrangement of 1-aminopyridine derivatives.
mesh_terms: D000090:Acetoacetates; D000588:Amines; D055598:Chemical Phenomena; D002621:Chemistry; D005463:Fluoroacetates; D006834:Hydrazines; D007202:Indicators and Reagents; D009682:Magnetic Resonance Spectroscopy; D009570:Nitriles; D011422:Propionates; D011725:Pyridines; D013055:Spectrophotometry, Infrared
chemical_list: D000090:Acetoacetates; D000588:Amines; D005463:Fluoroacetates; D006834:Hydrazines; D007202:Indicators and Reagents; D009570:Nitriles; D011422:Propionates; D011725:Pyridines