title: Studies on vitamin D (calciferol) and its analogues. 12. Structural and synthetic studies of 5,6-trans-vitamin D3 and the stereoisomers of 10,19-dihydrovitamin D3 including dihydrotachysterol3.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002762:Cholecalciferol / Q000138:chemical synthesis; D004097:Dihydrotachysterol / Q000138:chemical synthesis; D006900:Hydroxylation; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D013237:Stereoisomerism; D013329:Structure-Activity Relationship
chemical_list: D002762:Cholecalciferol; D004097:Dihydrotachysterol