(+)-(5Z,7E)-26,26,26,27,27,27-Hexafluoro-9,10-secocholesta-5,7,10(19)-triene-1alpha,3beta,25-triol 26,26,26,27,27,27-Hexafluoro-1,25-dihydroxyvitamin D3 83805-11-2 9,10-Secocholesta-5,7,10(19)-triene-1,3,25-triol, 26,26,26,27,27,27-hexafluoro-, (1-alpha,3-beta,5Z,7E)- Falecalcitriol Falecalcitriol [INN] Flocalcitriol Hornel, Fulstan Ro 23-4194 ST 630