title: [Note on protonation of caffeine].
mesh_terms: D000085:Acetates; D002110:Caffeine; D055598:Chemical Phenomena; D002621:Chemistry; D009682:Magnetic Resonance Spectroscopy; D010472:Perchlorates
chemical_list: D000085:Acetates; D010472:Perchlorates; D002110:Caffeine
vernacular_title: Notiz über die Protonierung vn Coffein.