title: A convenient synthesis of (9,19-3H2)cholecalciferol 3,5-dinitrobenzoate and the mechanism of the precholecalciferol to calciferol reaction.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002762:Cholecalciferol; D004872:Ergocalciferols
chemical_list: D004872:Ergocalciferols; D002762:Cholecalciferol