title: 1 alpha, 25-difluorovitamin D3: an inert vitamin D analog.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism; D002762:Cholecalciferol / Q000037:antagonists & inhibitors; D053493:Cholestanetriol 26-Monooxygenase; D008297:Male; D051381:Rats; D013250:Steroid Hydroxylases / Q000037:antagonists & inhibitors; D013329:Structure-Activity Relationship; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000378:metabolism / Q000494:pharmacology
chemical_list: D014807:Vitamin D; D002762:Cholecalciferol; C031271:1-alpha, 25-difluorovitamin D3; D013250:Steroid Hydroxylases; D053493:Cholestanetriol 26-Monooxygenase; D002118:Calcium