title: Conformational analysis of vitamin D and analogues. 13C and 1H nuclear magnetic resonance study.
mesh_terms: D002762:Cholecalciferol / Q000031:analogs & derivatives; D009682:Magnetic Resonance Spectroscopy; D008722:Methods; D008968:Molecular Conformation; D013237:Stereoisomerism
chemical_list: D002762:Cholecalciferol