A Methylene Group on C-2 of 24,24-Difluoro-19-nor-1α,25-dihydroxyvitamin D3 Markedly Increases Bone Calcium Mobilization in Vivo.

A Methylene Group on C-2 of 24,24-Difluoro-19-nor-1α,25-dihydroxyvitamin D3 Markedly Increases Bone Calcium Mobilization in Vivo.