140710-90-3

3-O-TBDMS 25 Vitamin D7 Injection Calcifediol Impurity 5 3-O-tert-ButyldiMethylsilyl Calcifediol 3-O-tert-ButyldiMethylsilyl-25-hydroxyvitaMin D3 3-O-tert-ButyldiMethylsilyl-25-Hydroxycholecalciferol 6-(4-{2-[5-(tert-Butyl-dimethyl-silanyloxy)-2-methylene-cycl... (3β,5Z,7E)-3-[[(1,1-DiMethylethyl)diMethylsilyl]oxy]-9,10-secocholesta-5,7,10(19)-triene-25-diol 6-(4-{2-[5-(tert-Butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-2-methyl-heptan-2-ol (6R)-6-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(5S)-5-[tert-butyl(dimethyl)silyl]oxy-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-2-methylheptan-2-ol