title: Reaction products of vitamin D3 with Nield reagent, bisteroids A and B.
mesh_terms: D000085:Acetates; D000096:Acetone; D055598:Chemical Phenomena; D002621:Chemistry; D002762:Cholecalciferol / Q000302:isolation & purification; D002784:Cholesterol; D002855:Chromatography, Thin Layer; D003460:Crystallization; D007202:Indicators and Reagents; D007259:Infrared Rays; D007659:Ketones; D013057:Spectrum Analysis; D013256:Steroids / Q000032:analysis
chemical_list: D000085:Acetates; D007202:Indicators and Reagents; D007659:Ketones; D013256:Steroids; D000096:Acetone; D002762:Cholecalciferol; D002784:Cholesterol