title: (22S)-Hydroxyvitamin D.
mesh_terms: D000438:Alcohols / Q000138:chemical synthesis; D004872:Ergocalciferols / Q000138:chemical synthesis*; D006900:Hydroxylation; D008722:Methods; D010084:Oxidation-Reduction
chemical_list: D000438:Alcohols; D004872:Ergocalciferols