5-[(2E)-2-[(1R,3aS,7aR)-1-[(1R)-1,5-Dimethylhexyl]octahydro-7a-methyl-4H-inden-4-ylidene]ethylidene]-4-methylene-1,3-cyclohexanediol-d7; 1-α-Hydroxycholecalciferol-d7; 1-α-Hydroxyvitamin D3-d7; Alpharol-d7; Alpha D3-d7; Etalpha-d7; Oxydevit-d7,Alfacalcidol