title: Analysis of vitamin D2 isomers.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D004872:Ergocalciferols / Q000032:analysis*; D007536:Isomerism; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D013329:Structure-Activity Relationship
chemical_list: D004872:Ergocalciferols