2,2-Di-substituted 1alpha,25-dihydroxy-19-norvitamin D...
2,2-Di-substituted 1alpha,25-dihydroxy-19-norvitamin D...
2-alkyl-19-nor-vitamin D compounds
2-methylene-19-nor-(23S)-25-dehydro-1α-hydroxyvitamin...
2-Substituted vitamin D derivatives
20(S)-25-hydroxy vitamin D compounds
22-Thiavitamin D.sub.3 derivatives
24-hydroxy vitamin D derivatives
25-hydroxy vitamin D.sub.3 derivatives, process for their produc
26,27-homologated-20-EPI-2-alkylidene-19-nor-vitamin D...
26,27-Homologated-20-EPI-2alkyl-19-nor-vitamin D compounds