title: A direct approach to the determination of the rotational barriers of the acetylcholine and choline molecules.
mesh_terms: D000109:Acetylcholine; D002794:Choline; D003903:Deuterium; D009682:Magnetic Resonance Spectroscopy; D008956:Models, Chemical; D008968:Molecular Conformation; D012399:Rotation; D013816:Thermodynamics
chemical_list: D003903:Deuterium; D002794:Choline; D000109:Acetylcholine