4alpha-Hydroxycholecalciferol and an attempted synthesis of its 4beta-hydroxy-epimer.
D002782:Cholestenes; D006868:Hydrolysis; D006887:Hydroxycholecalciferols / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D013058:Mass Spectrometry; D008722:Methods
D002782:Cholestenes; D006887:Hydroxycholecalciferols