(1beta,3alpha,5Z,7E)-1-(Hydroxymethyl)-9,10-secocholesta-5,7,10(19)-triene-3,25-diol 1-(Hydroxymethyl)-9,10-secocholesta-5,7,10(19)-triene-3,25-diol (1beta,3alpha,5Z,7E)- 1-Hbdv D3 1-Hydroxymethyl-3-norhydroxy-3,25-dihydroxyvitamin D3 142508-68-7 9,10-Secocholesta-5,7,10(19)-triene-3,25-diol, 1-(hydroxymethyl)-, (1beta,3alpha,5Z,7E)-