英文别名(R)-6-((1R,3aS,7aR,E)-4-((Z)-2-((3S,5R)-3,5-bis(tert-butyldiMethylsilyloxy)-2-Methylenecyclohexylidene)ethylidene)-7a-Methyloctahydro-1H-inden-1-yl)-2-Methylheptan-2-ol; (1S),3(R)-bis<(tert-butyldimethylsilyl)oxy>-9,10-secocholesta-5(Z),7(E),10(19)-trien-25-ol; (1S,3R,5Z,7E,14)-1,3-Bis{[tert-butyl(dimethyl)silyl]oxy}-9,10-secocholesta-5,7,10-trien-25-ol; Calcitriol Impurity 12; 9,10-Secocholesta-5,7,10(19)-trien-25-ol, 1,3-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (1α,3β,5Z,7E)- (9CI); (R)-6-((1R,3As,7Ar,E)-4-((Z)-2-((3R,5S)-3,5-Bis((Tert-Butyldimethylsilyl)Oxy)-2-Methylenecyclohexylidene)Ethylidene)-7A-Methylctahydro-1H-Inden-1-Yl)-2-Methylheptan-2-ol; (R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-2-methyl-heptan-2-ol; 1,3-bis[(tert-butyldimethylsilyl)oxy]-1α,25-dihydroxyvitamin D3; (6R)-6-[(1R,4E,7AR)-4-{2-[(1E,3S,5R)-3,5-BIS[(TERT-BUTYLDIMETHYLSILYL)OXY]-2-METHYLIDENECYCLOHEXYLIDENE]ETHYLIDENE}-7A-METHYL-OCTAHYDRO-1H-INDEN-1-YL]-2-METHYLHEPTAN-2-OL 
